Higher Mathematics - Prestwick Academy
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Transcript Higher Mathematics - Prestwick Academy
Objective Questions
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7π
6
1. The exact value of tan
1
B.
3
A. 3
C.
is:
1
3
D.
3
o
2. The period of tan3x , x є R , is:
A. 60
B. 120
C. 180
3. This diagram is most likely
to be part of the graph of:
A. cosx
o
C. 1 - sinx o
B. 1 sinx
o
D. 2cosx o 1
D. 540
2
y
1
90
180
270
answer
360
x
7π
6
1. The exact value of tan
1
B.
3
A. 3
C.
is:
1
3
D.
3
o
2. The period of tan3x , x є R , is:
A. 60
B. 120
C. 180
3. This diagram is most likely
to be part of the graph of:
A. cosx
o
C. 1 - sinx o
B. 1 sinx
o
D. 2cosx o 1
D. 540
2
y
1
90
180
270
360
x
1.
Which of the following has (have) a negative value:
I. sin
5
12
II. sin
5
6
III. tan
5
3
IV. cos
5
4
A. Only I, II, III
B. Only I and III
C. Only III and IV
D. Some other response or combination
2. The minimum value of 1 cos x
when x is:
A. 0
B.
π
3
π
3π
occurs
,0 x
3
2
C.
4π
3
D. π
3. Which of the following could be this graph:
1 o
A. cos x 1
2
B. 2 sin2x
C. 2cosx o
D. 1 cos2x o
o
2
y
1
90
180
270
360
answer
x
1.
Which of the following has (have) a negative value:
I. sin
5
12
II. sin
5
6
III. tan
5
3
IV. cos
5
4
A. Only I, II, III
B. Only I and III
C. Only III and IV
D. Some other response or combination
2. The minimum value of 1 cos x
when x is:
A. 0
B.
π
3
π
3π
occurs
,0 x
3
2
C.
4π
3
D. π
3. Which of the following could be this graph:
1 o
A. cos x 1
2
B. 2 sin2x
C. 2cosx o
D. 1 cos2x o
o
2
y
1
90
180
270
360
x
1.
Which of the following is/are solution(s) of sin2x = 1, x є R:
I.
6
A. I only
II.
3
III.
4
4
B. II only
5
IV.
6
C. II & III only
D. None of I, II, III, IV
π
0
x
2
,
2sin
has a maximum value when θ is:
2. If
6
π
π
5
A. 0
B.
6
C.
D.
3
6
3. The line with equation y = -1 intersects the curve
y = √2sinx , at :
A. 315o
B. - 60o
C. 210o
D. 150o
√2
y
90
-√2
180
270
360
x
answer
1.
Which of the following is/are solution(s) of sin2x = 1, x є R:
I.
6
A. I only
II.
4
B. II only
3
III.
4
5
IV.
6
C. II & III only
D. None of I, II, III, IV
π
0
x
2
,
2sin
has a maximum value when θ is:
2. If
6
π
π
5
A. 0
B.
6
C.
D.
3
6
3. The line with equation y = -1 intersects the curve
y = √2sinx , at :
A. 315o
B. - 60o
C. 210o
D. 150o
√2
y
90
-√2
180
270
360
x
1.
The exact value of cos
A. 3
B.
3
2
5π
6
is:
1
3
C.
2. The maximum value of 1 - sin x
D.
3
π
, 0 x 2π
6
occurs when x = t. What is the value of t?
3π
A.
2
π
B.
2
4π
C.
3
3. This diagram is most likely
to be part of the graph of:
A. cosx o - 2
B. 2sinx o
C. 2 - sinx o
D. cosx o - 1
5
D.
6
y
2
180
360
540
-2
answer
x
1.
The exact value of cos
A. 3
B.
3
2
5π
6
is:
1
3
C.
2. The maximum value of 1 - sin x
D.
3
π
, 0 x 2π
6
occurs when x = t. What is the value of t?
3π
A.
2
π
B.
2
4π
C.
3
3. This diagram is most likely
to be part of the graph of:
A. cosx o - 2
B. 2sinx o
C. 2 - sinx o
D. cosx o - 1
5
D.
6
y
2
180
-2
360
540
x
1.
The exact value of sin (-120o) is:
A.
3
B.
1
3
C. -
3
2
1
2
D.
π
0
x
2
,
2sin
has a minimum value when θ is:
2. If
6
π
5π
5
A. 0
B.
6
C.
D.
6
3
3. The line with equation y = √3 intersects the curve
y = 2cosx , at :
A. 330o
B. - 60o
C. 45o
D. 420o
2
y
180
360
540
-2
answer
x
1.
The exact value of sin (-120o) is:
A.
3
B.
1
3
C. -
3
2
1
2
D.
π
0
x
2
,
2sin
has a minimum value when θ is:
2. If
6
π
5π
5
A. 0
B.
6
C.
D.
6
3
3. The line with equation y = √3 intersects the curve
y = 2cosx , at :
A. 330o
B. - 60o
C. 45o
D. 420o
2
y
180
-2
360
540
x
1.
The exact value of cos 135o is:
A.
1
2
B.
1
2
C. -
1
2
D.
3
2. The largest possible domain of, f(x) (2 x) is:
A. -2 x 2
B. x 2
3. This diagram is most likely
to be part of the graph of:
A. sin(x 45)o
B. sin(x - 45)o
C. sin(45- x)o
D. - sin(x 45)o
C. x -2
1
D. x 2
y
90
180
270
-1
answer
360
x
1.
The exact value of cos 135o is:
A.
1
2
B.
1
2
C. -
1
2
D.
3
2. The largest possible domain of, f(x) (2 x) is:
A. -2 x 2
B. x 2
3. This diagram is most likely
to be part of the graph of:
A. sin(x 45)o
B. sin(x - 45)o
C. sin(45- x)o
D. - sin(x 45)o
C. x -2
1
y
90
-1
D. x 2
180
270
360
x
y
1.
(-1,3)
Which of the following graphs
represents y = -f(x + 2):
A
B
y
(-3,2)
C
y
(-1,5)
(1,5)
(3,2)
(-3,2)
(-3,2) (3,2)
5
x
x
-5
2. The exact value of cos
A.
1
2
B.
3
2
3
-3
5π
3
D
y
Y = f(x)
x
(5,-2)
y
(5,4)
(3,2)
(3,2)
x
(-1,-1)
-5
1
x
(-3,-3)
is:
C. -
1
3
D.
1
2
3. Functions f and g , are given by f(x) = 3x2 + 1 and
g(x) = x2 - 4. Find an expression for f(g(x)).
A. 4x2 - 3
B. 3x4 - 3
C. 9x4 6x2 1
D. 3x4 24x2 49
answer
y
(-1,3)
1.
Which of the following graphs
represents y = -f(x + 2):
A
B
y
(-3,2)
C
y
(-1,5)
(1,5)
(3,2)
(-3,2)
(-3,2) (3,2)
5
x
x
-5
2. The exact value of cos
A.
1
2
B.
3
2
3
-3
5π
3
D
y
Y = f(x)
x
(5,-2)
y
(5,4)
(3,2)
(3,2)
x
(-1,-1)
-5
1
x
(-3,-3)
is:
C. -
1
3
D.
1
2
3. Functions f and g , are given by f(x) = 3x2 + 1 and
g(x) = x2 - 4. Find an expression for f(g(x)).
A. 4x2 - 3
B. 3x4 - 3
C. 9x4 6x2 1
D. 3x4 24x2 49
1.
For which real values of x is the function f : x
defined on the set of real numbers?
1
(1 x2 )
A. All x except x 1 and x -1
B. -1 x 1 only
C. x 1 and x -1 only
D.
x 1 only
π
3
2. The minimum value of 0 2 , 1 - 2cos
occurs when x is: A.
3
B.
C.
2
D.
3. The line with equation y = 2 intersects the curve
y = 1 - 2sinx , at :
A.
C.
4
3
B.
5
6
D.
3
7
4
7
6
-1
y
180
360
answer
x
6
1.
For which real values of x is the function f : x
defined on the set of real numbers?
1
(1 x2 )
A. All x except x 1 and x -1
B. -1 x 1 only
C. x 1 and x -1 only
D. x 1 only
π
3
2. The minimum value of 0 2 , 1 - 2cos
occurs when x is: A.
3
B.
C.
2
D.
3. The line with equation y = 2 intersects the curve
y = 1 - 2sinx , at :
A.
C.
4
3
B.
5
6
D.
3
7
4
7
6
-1
y
180
360
x
6
1.
Which of the following is/are solution(s) of 2sin2x = √3:
I.
II.
6
A. I only
III.
3
B. I & II only
2
3
IV.
4
C. II & III only
D. None of I, II, III, IV
π
π
sin
3
3
1
D.
2
2. Which of these would be the exact value of 2cos
A. -
1
2
B.
3
2
C. 0
3. Functions f and g , are given by f(x) = x2 – 2x and
g(x) = -3x. Find an expression for f(g(x)).
A. - 3x2 6x
B. - 3x2 - 2x
C. 9x2 6x
D. x2 - 5x
answer
?
1.
Which of the following is/are solution(s) of 2sin2x = √3:
I.
II.
6
A. I only
III.
3
B. I & II only
2
3
IV.
4
C. II & III only
D. None of I, II, III, IV
π
π
sin
3
3
1
D.
2
2. Which of these would be the exact value of 2cos
A. -
1
2
B.
3
2
C. 0
3. Functions f and g , are given by f(x) = x2 – 2x and
g(x) = -3x. Find an expression for f(g(x)).
A. - 3x2 6x
B. - 3x2 - 2x
C. 9x2 6x
D. x2 - 5x
?
y
1.
(-2,3)
Which of the following graphs
represents y = -2f(x) + 1:
y
A
B
0
x
(-2,-5)
x
x
1
-4
C
(1,1)
(-4,1)
(-3,6)
-5
y
Y = f(x)
D
y
y
(2,7)
(3,6)
(4,1)
(-1,1)
0
x
x
5
x3 1
, x R , then g-1(x) equals:
2. Given that g(x)
2
A.
2
x 3 1
B.
3
(2x 1)
3. Functions f and g, are given by
C. 23 (x 1)
f(x)
Find an expression for f(g(x)).
A.
1
x 4 - 2x 2 3
B.
1
x 4 4x 2 3
C.
1
x2 2
D. 1
3
2x
and g(x) = x2 - 1.
1
x 4 - 2x 2
D. x 4 2x 2 4
answer
y
1.
(-2,3)
Which of the following graphs
represents y = -2f(x) + 1:
y
A
B
0
x
(-2,-5)
x
x
1
-4
C
(1,1)
(-4,1)
(-3,6)
-5
y
Y = f(x)
D
y
y
(2,7)
(3,6)
(4,1)
(-1,1)
0
x
x
5
x3 1
, x R , then g-1(x) equals:
2. Given that g(x)
2
A.
2
x 3 1
B.
3
(2x 1)
3. Functions f and g, are given by
C. 23 (x 1)
f(x)
Find an expression for f(g(x)).
A.
1
x 4 - 2x 2 3
B.
1
x 4 4x 2 3
C.
1
x2 2
D. 1
3
2x
and g(x) = x2 - 1.
1
x 4 - 2x 2
D. x 4 2x 2 4
1.
The largest possible domain of, f(x) 2 x is:
A. x 0
B. x 0
C. x 0
2. The minimum value of 1 - 3cos x
D. x 0
π
,0 x π
6
occurs when x = t. What is the value of t?
A. 0
B.
π
6
C.
π
2
D. π
3. The line with equation y = 1 intersects the curve
y = 4sin2x , at :
A. 150o
B. 210o
C. 45o
D. 300o
answer
1.
The largest possible domain of, f(x) 2 x is:
A. x 0
B. x 0
C. x 0
2. The minimum value of 1 - 3cos x
D. x 0
π
,0 x π
6
occurs when x = t. What is the value of t?
A. 0
B.
π
6
C.
π
2
D. π
3. The line with equation y = 1 intersects the curve
y = 4sin2x , at :
A. 150o
B. 210o
C. 45o
D. 300o
1.
y
(-1,5)
Which of the following functions
represents the black curve:
A. y = g(-x) + 2
B. y = -g(x) - 2
C. y = 2 – g(x)
D. y = g(x – 2)
(-1,-3)
(1,3)
y = g(x)
x
(1,-1)
5x
, x R , then h-1(x) equals:
2. Given that h(x)
2
A.
2
x 5
B. 2x 5
C.
3. Functions f and g, are given by f(x)
Find an expression for g(f(x)).
2 - x2
A.
1 - x2
2
B.
1 - x2
2x
5
1
1 - x2
x2
C.
1 - x2
D. 5 - 2x
and g(x) = 1 + x.
D. 2
answer
1.
y
(-1,5)
Which of the following functions
represents the black curve:
A. y = g(-x) + 2
B. y = -g(x) - 2
C. y = 2 – g(x)
D. y = g(x – 2)
(-1,-3)
(1,3)
y = g(x)
x
(1,-1)
5x
, x R , then h-1(x) equals:
2. Given that h(x)
2
A.
2
x 5
B. 2x 5
C.
3. Functions f and g, are given by f(x)
Find an expression for g(f(x)).
2 - x2
A.
1 - x2
2
B.
1 - x2
2x
5
1
1 - x2
x2
C.
1 - x2
D. 5 - 2x
and g(x) = 1 + x.
D. 2
1.
For which real values of x is the function
1
9 - x2
f: x
defined on the set of real numbers?
A. All x except x 3 and x - 3
B. x 3 only
C. x 3 and x - 3 only
D. - 3 x 3 only
2. The equation of the straight line through the points
(1 , -2) and (-3 , 4) is:
A. 3x + 2y = -1
B. 3x – 2y = 7
C. 2x + 3y = -4
D. None of these
3. Which of the following is/are solution(s) of √3tan2x = -1:
I.
5π
6
A. I only
II.
5π
3
B. III & IV only
III.
5π
12
C. III only
IV.
11π
12
D. II only
answer
1.
For which real values of x is the function
1
9 - x2
f: x
defined on the set of real numbers?
A. All x except x 3 and x - 3
B. x 3 only
C. x 3 and x - 3 only
D. - 3 x 3 only
2. The equation of the straight line through the points
(1 , -2) and (-3 , 4) is:
A. 3x + 2y = -1
B. 3x – 2y = 7
C. 2x + 3y = -4
D. None of these
3. Which of the following is/are solution(s) of √3tan2x = -1:
I.
5π
6
A. I only
II.
5π
3
B. III & IV only
III.
5π
12
C. III only
IV.
11π
12
D. II only
1.
The gradient of a straight line parallel to the line
x + 3y + 7 = 0 is:
A. - 3
B.
1
3
C. 7
2. Functions f and g, are given by
Find an expression for f(g(x)).
x
A. 2
x 1
1
B.
x1
1
f(x)
x
D. -
1
3
and
g(x)
x2
D.
1 x2
C. x 1
2
3. The line with equation y = 4 intersects the curve
y = 1 - 6sinx , at :
A.
7
6
B.
4
3
C.
5
4
1
x2 1
D.
5
6
answer
1.
The gradient of a straight line parallel to the line
x + 3y + 7 = 0 is:
A. - 3
B.
1
3
C. 7
2. Functions f and g, are given by
Find an expression for f(g(x)).
x
A. 2
x 1
1
B.
x1
1
f(x)
x
D. -
1
3
and
g(x)
x2
D.
1 x2
C. x 1
2
3. The line with equation y = 4 intersects the curve
y = 1 - 6sinx , at :
A.
7
6
B.
4
3
C.
5
4
1
x2 1
D.
5
6
1.
The line joining the points (-2,-3) and (6, k) has gradient .
The value of k is:
A.
7
3
B.
17
3
C.
25
3
D. 9
2. Which of the following could be this graph:
A. 2cosx o 1
B. 2 sin3x o
C. 1 2sin3x o
D. 1 - 3sin2x o
4
y
180
-2
x
π
0
2
,
1
2sin
3. The minimum value of
3
occurs when x is: A. π
3
11π
B.
6
5π
C.
3
answer
5π
D.
6
1.
The line joining the points (-2,-3) and (6, k) has gradient .
The value of k is:
A.
7
3
B.
17
3
C.
25
3
D. 9
2. Which of the following could be this graph:
A. 2cosx o 1
B. 2 sin3x o
C. 1 2sin3x o
D. 1 - 3sin2x o
4
y
180
-2
x
π
0
2
,
1
2sin
3. The minimum value of
3
occurs when x is: A. π
3
11π
B.
6
5π
C.
3
5π
D.
6
1.
For which real values of x is the function f : x
defined on the set of real numbers?
1
x 3x 5
A. All x except x 3 and x - 5
B. x
C. x 0 only
D. - 5 x 3 only
2. Which of the following is the inverse of f(x) = x – 2 ,
where x є R ?
A.
1
x-2
B. x 2
C. 2x 1
D.
1
x 2
3. If the points (p , q) , (3 , -2) and (-1 , 4) are collinear, then
the relationship connecting p and q could be:
A. 2p + 3q = 13
B. 3p – 2q = 5
C. 3p + 2q = 5
D. 3p – 2q = 13
answer
1.
For which real values of x is the function f : x
defined on the set of real numbers?
1
x 3x 5
A. All x except x 3 and x - 5
B. x
C. x 0 only
D. - 5 x 3 only
2. Which of the following is the inverse of f(x) = x – 2 ,
where x є R ?
A.
1
x-2
B. x 2
C. 2x 1
D.
1
x 2
3. If the points (p , q) , (3 , -2) and (-1 , 4) are collinear, then
the relationship connecting p and q could be:
A. 2p + 3q = 13
B. 3p – 2q = 5
C. 3p + 2q = 5
D. 3p – 2q = 13
y
1.
3
Which of the following graphs
represents y = f(1 - x) :
A
y
B
(-1,3)
(1,1)
-3
x
y
C
(1,3)
(-1,1)
(2,1)
-2
y
y = f(x)
(-1,3)
(-3,1)
x
3 x
D
x
y
(-2,1)
2
x
-2
x
1 x
2. Which of the following is the equation of a line
perpendicular to the line x - 3y + 4 = 0
A. y = -3x
B. y = x
C. y = -x
3. Functions f and g, are given by f(x) 12
x
Find an expression for f(g(x)).
A. x2 2x 1
x2
B. 2
x 1
C.
and
1
x 2 2x 1
D. y = -x
g(x)
D.
answer
1
x 1
1
x 3 x2
y
1.
3
Which of the following graphs
represents y = f(1 - x) :
A
y
B
(-1,3)
(1,1)
-3
x
y
C
(1,3)
(-1,1)
(2,1)
-2
y
y = f(x)
D (-2,1)
(-1,3)
(-3,1)
x
3 x
x
y
2
x
1 x
x
-2
2. Which of the following is the equation of a line
perpendicular to the line x - 3y + 4 = 0
A. y = -3x
B. y = x
C. y = -x
3. Functions f and g, are given by f(x) 12
x
Find an expression for f(g(x)).
A. x2 2x 1
x2
B. 2
x 1
C.
and
1
x 2 2x 1
D. y = -x
g(x)
D.
1
x 1
1
x 3 x2
1.
The line 2y = 3x + 6 meets the y-axis at C. The gradient
of the line joining C to A (4,-3) is:
A.
9
4
B. -
2
3
C.
9
4
D. -
3
2
2. Which of these would be the exact value of 2cos
A.
4
2
B. 1
C. 0
D.
π
π
sin
4
4
1
2
3. The line with equation y = 1 intersects the curve
y = 3tan2x , at :
A.
π
3
B.
7π
6
C.
5π
6
D.
answer
π
4
?
1.
The line 2y = 3x + 6 meets the y-axis at C. The gradient
of the line joining C to A (4,-3) is:
A.
9
4
B. -
2
3
C.
9
4
D. -
3
2
2. Which of these would be the exact value of 2cos
A.
4
2
B. 1
C. 0
D.
π
π
sin
4
4
1
2
3. The line with equation y = 1 intersects the curve
y = 3tan2x , at :
A.
π
3
B.
7π
6
C.
5π
6
D.
π
4
?
1.
The straight lines with equations ay = 3x + 7 and y = 5x + 2
are perpendicular. The value of a is:
A. -
1
5
B. -
5
3
C. -
3
5
D. -15
2. Which of the following could be this graph:
1 o
A. 2 - 2sin x
2
1
B. 2 sin2x o
2
C. 2sin2x o 2
1
D. 2 - 4cos x o
2
4
y
2
3. The maximum value of 0 2 , 1 2sin
occurs when x is: A. π
4
B.
7π
4
x
720
C.
5π
4
π
4
answer
D.
3π
4
1.
The straight lines with equations ay = 3x + 7 and y = 5x + 2
are perpendicular. The value of a is:
A. -
1
5
B. -
5
3
C. -
3
5
D. -15
2. Which of the following could be this graph:
1 o
A. 2 - 2sin x
2
1
B. 2 sin2x o
2
C. 2sin2x o 2
1
D. 2 - 4cos x o
2
4
y
2
3. The maximum value of 0 2 , 1 2sin
occurs when x is: A. π
4
B.
7π
4
x
720
C.
5π
4
π
4
D.
3π
4
1.
R and S have coordinates (5,-7) and (-1,-3) respectively.
The perpendicular bisector of RS has a gradient of -.
What is the equation of the perpendicular bisector of RS?
A. 3y = 2x + 13
B. 3y = -2x + 19
C. 2y = -3x - 19
D. 2y = 3x - 13
2. Find the gradient of the line AB:
A. m = 1
C. m = -1
A
y
B. m = -√2
1
D. m = - 2
45o
B
x
3. What is the solution of the equation 2cosx - √3 = 0
π
5π
11π
5π
B.
C.
D.
where 3π x 2π? A.
2
6
6
6
answer
3
1.
R and S have coordinates (5,-7) and (-1,-3) respectively.
The perpendicular bisector of RS has a gradient of -.
What is the equation of the perpendicular bisector of RS?
A. 3y = 2x + 13
B. 3y = -2x + 19
C. 2y = -3x - 19
D. 2y = 3x - 13
2. Find the gradient of the line AB:
A. m = 1
C. m = -1
A
y
B. m = -√2
1
D. m = - 2
45o
B
x
3. What is the solution of the equation 2cosx - √3 = 0
π
5π
11π
5π
B.
C.
D.
where 3π x 2π? A.
2
6
6
6
3
1.
2.
The side of a triangle has equation y = -x – 3.
Which of these could be the equation of an altitude
passing through this side?
A. 2y + x – 3 = 0
B. 2y – 3x + 3 = 0
C. 2y + 3x – 1 = 0
D. 3y – 2x + 1 = 0
The vertices of triangle STV are S(-4,10) , T(10,3) and V(0,-10).
Which of the following is the equation of the median TM?
A. 4y = x + 2
B. y = 4x + 2
C. y = -2x + 23
D. y = 2x - 2
3. Functions f and g, are given by
Find an expression for f(g(x)).
x1
A.
x
x2
B.
x1
1
f(x)
x
C.
1
x1
and
g(x)
D. x 1
answer
x
x 1
1.
2.
The side of a triangle has equation y = -x – 3.
Which of these could be the equation of an altitude
passing through this side?
A. 2y + x – 3 = 0
B. 2y – 3x + 3 = 0
C. 2y + 3x – 1 = 0
D. 3y – 2x + 1 = 0
The vertices of triangle STV are S(-4,10) , T(10,3) and V(0,-10).
Which of the following is the equation of the median TM?
A. 4y = x + 2
B. y = 4x + 2
C. y = -2x + 23
D. y = 2x - 2
3. Functions f and g, are given by
Find an expression for f(g(x)).
x1
A.
x
x2
B.
x1
1
f(x)
x
C.
1
x1
and
g(x)
D. x 1
x
x 1
1.
If f(x) 2x
A.
2
3
; f’(4) equals:
B. 2
C. 3
D. 6
2. If the line ax - 2y + 5 = 0 is parallel to the line
3x + y - 4 = 0, a is equal to:
A. -6
B. -
C.
3. PQ, of length 2, is parallel to OY.
QR, of length 4, is parallel to OX.
Angle PQR = 90o. P is the point (1,2).
The line PR cuts OY at:
A. (0,)
B. (0,)
D.
y
Q
4
R
2
P (1,2)
x
0
C. (0,-)
D. (0,-)
answer
1.
If f(x) 2x
A.
2
3
; f’(4) equals:
B. 2
C. 3
D. 6
2. If the line ax - 2y + 5 = 0 is parallel to the line
3x + y - 4 = 0, a is equal to:
A. -6
B. -
C.
3. PQ, of length 2, is parallel to OY.
QR, of length 4, is parallel to OX.
Angle PQR = 90o. P is the point (1,2).
The line PR cuts OY at:
A. (0,)
B. (0,)
D.
y
Q
4
R
2
P (1,2)
x
0
C. (0,-)
D. (0,-)
1.
This diagram is most likely
y
to be part of the graph of:
1 o
A. 2 - cos x
4
C. 2cos4x o - 1
1
B. cos4x o 3
-3
1
D. cos2x o - 1
4
2. Find the gradient of the line ST:
A. m = -1
B. m = 1
A.
1
2x
y
1
D. m = 2
C. m = -√2
3. If f(x)
S
135o
1
and x ≠ 0 then f’(x) equals:
2
x
B. -
2
x3
C. -
1
x
x
90
D. -
1
x3
T
answer
x
1.
If f(x) = x√x , x > 0 ; f’(x) equals:
1
A. 1
2 x
B. 1
x
3
C.
x
5
2 52
D.
x
5
2. Which of the following is/are true of the line with
equation 3x - 2y + 3 = 0?
I.
It passes through the point (-2,-3)
II. It is parallel to the line 6x + 4y + 3 = 0
III. It is perpendicular to the line 2x + 3y + 3 = 0
A. I only
B. I & III only
C. III only
D. Some other combination of responses
3.
The line with equation y = √3 intersects the curve y = 2cosx, at:
A. 330o
B. - 60o
C. 45o
D. 420o
answer
1.
The gradient of the curve y = 5x3 - 10x at the point (1,-5)
is:
A. -5
B. 5
C. 15
D. None of these
2. f and g are functions on the set of real numbers such that
f(x) = 2x – 1 and f(g(x)) = 4x + 1, g(x) equals:
A. 8x + 1
B. 8x - 3
C. 2x + 3
1
3. Functions f and g, are given by f(x)
x
Find an expression for g(f(x)).
x1
A.
x2
x2
B.
x1
C.
1
x1
D. 2x + 1
and
g(x)
D. x 1
answer
x
x 1
1.
The x-coordinate of the point at which the curve
y = 6 – 3x2 has gradient 12 is:
A. -6
B. -2
C. -√2
D. -1
2. The vertices of triangle ABC are A(1,-7), B(-4,7) & C(-1,3).
Which of the following is the equation of the median CM?
A. y = 6x + 4
B. y = 6x + 9
C. 2y = x + 7
D. 2y = 3x - 9
π
3. The maximum value of 0 2 , 3 2sin
3
occurs when x is: A. 11π
6
B.
7π
6
C.
5π
6
answer
D.
5π
3
Question 27
How do you
show that
a curve is
always increasing ?
answer
Answer to Question 27
(i) Differentiate
’
(ii) show that f (x) is a
perfect square
Question 28
How do you find the
equation of a tangent
to a curve at the point
when x = a ?
answer
(i)
(ii)
Answer to Question 28
Differentiate
’
fit a into f (x) to get
the gradient (m)
(iii) fit a into f(x) to get
the tangent point (a,b)
(iv) use y-b=m(x-a)
Question 29
For what values of a
function is the
function said to be
undefined ?
answer
Answer to Question 29
When you fit in a value
of x and you cannot get
an answer
Question 30
How do you draw
the graph of f(x-1)
given the graph of
f(x) ?
answer
Answer to Question 30
Move the graph 1 unit
to the right
Question 31
How do you find
f(g(x)) for given
functions f(x) and
g(x) ?
answer
Answer to Question 31
Fit g(x) into f(x)
i.e. each x in f(x) is
replaced by the
function g(x)
Question 32
What two things do
you require in order
to find the equation
of a straight line ?
answer
Answer to Question 32
The gradient of the line
and a point on the line
y
1
m
(a,b)
x
Question 33
How do you find the
midpoint of a line
joining two points ?
answer
Answer to Question 33
Add the coordinates
and divide by two
x+x , y+y
1
2
1
2
(
2
2
)
(x1,y1)
y
(x2,y2)
x
Question 34
What is the
gradient of a
vertical line ?
answer
Answer to Question 34
undefined
y
x
Question 35
How do you find the
median AM of
triangle ABC ?
answer
Answer to Question 35 A
(i) find the
mid point
of BC (M)
(ii)
find the C
gradient of AM
(iii) use y-b = m(x-a)
M
B
Question 36
Which two points
does the graph
x
y = a always pass
through ?
answer
Answer to Question 36
(0,1) and (1,a)
Question 37
What is the
perpendicular
bisector of a line ?
answer
Answer to Question 37
A line which cuts the
o
given line in half at 90
Question 38
How do you draw
the graph of f(x+1)
given the graph of
f(x) ?
answer
Answer to Question 38
Move the graph 1 unit
to the left
Question 39
How do you find the
equation of a
perpendicular
bisector of a line ?
answer
(i)
(ii)
(iii)
(iv)
Answer to Question 39
find the midpoint of the line
find the gradient of the line
find the gradient
perpendicular to the given
line
Use midpoint and gradient in
y-b = m(x-a)
M(a,b)
Question 40
For what values is this
function undefined ?
x
f(x) =
(x+2)(x-3)
answer
Answer to Question 40
-2 and 3
Question 41
What are the two
formulae used to
find the area of a
triangle ?
answer
Answer to Question 41
A = ½base x height
A = ½bcsinA
A
b
C
B a s e
height
a
c
B
Question 42
What three
processes do you go
through in order to
factorise a
quadratic ?
answer
Answer to Question 42
(i) common factor
(ii) difference of two
squares
(iii) trinomial
Question 43
What is the
equation of a
vertical line passing
through (a,b) ?
answer
Answer to Question 43
x = a
y
(a,b)
x
Question 44
What is the
Theorem of
Pythagoras ?
answer
Answer to Question 44
For ΔABC,
right-angled at A,
2
2
2
a =b +c
a
B
C
b
c
A
Question 45
What do you know
about the gradients
of two parallel
lines?
answer
Answer to Question 45
They are the same
Question 46
How do you draw
the graph of f’(x)
given the graph of
f(x) ?
answer
Answer to Question 46
(i) plot x coords of st. points on
x-axis (SPs become roots)
(ii) look at each part of f(x)
separately:
if rising, graph of f’(x) is
above x-axis
if falling, graph
of f’(x) is
below x-axis
Question 47
How do you get the
gradient of a line
with an equation like
3x + 2y = 5 ?
answer
Answer to Question 47
Rearrange into the
form
y = mx + c
(ii) read off
gradient = m
(i)
Question 48
What is loga1
equal to ?
answer
Answer to Question 48
0
Question 49
How do you find the
length of a line
joining two points ?
answer
Answer to Question 49
√(x2 –
2
x1)
y
A(x1,y1)
+
2
(y2 –y1)
B(x2,y2)
x
Question 50
What is the
Converse of
Pythagoras ?
answer
Answer to Question 50
2
a
2
b
2
c
If
=
+
then ΔABC is
right-angled at A
a
B
C
b
c
A
Question 51
How do you find the
gradient of a line
joining two points ?
answer
Answer to Question 51
m = y2 – y1
x2 – x 1
y
A(x1,y1)
B(x2,y2)
x
Question 52
How do you find the
altitude AN of
ΔABC ?
answer
Answer to Question 52
(i)find the gradient
of BC
(ii) find the gradient
A
of AN,
perpendicular
to BC
B
N
(iii) use y-b=m(x-a)
C
Question 53
For a curve, how do
you find the
stationary points
and their nature ?
answer
Answer to Question 53
(i) differentiate
(ii) let f’(x) = 0
(iii) solve to find
stationary points
(iv) find y-coordinates
(v) draw nature table
Question 54
How do you draw
the graph of 3+f(x)
given the graph of
f(x) ?
answer
Answer to Question 54
move graph up 3
Question 55
How do you find
where a curve is
increasing ?
answer
Answer to Question 55
(i)differentiate
(ii) let f’(x) = 0
(iii) solve to find stationary
points
(iv) draw nature table
(v) read values for which
graph is increasing
Question 56
How do you find
where two lines
intersect ?
answer
Answer to Question 56
Simultaneous equations
Question 57
How do you draw
the graph of 3-f(x)
given the graph of
f(x) ?
answer
Answer to Question 57
Reflect the graph in
the x-axis,
then move it up 3
Question 58
How do you draw
the graph of f(-x)
given the graph of
f(x) ?
answer
Answer to Question 58
Reflect the graph in
the y-axis
Question 59
How do you solve
equations like
100 = 0 ?
42
x
answer
Answer to Question 59
multiply by the
denominator of the
2
fraction (here x )
(ii) factorise and solve
(i)
Question 60
How do you find the
exact values of
sin(A+B), cos(A-B) etc.
given that
3
cosA = /5 and
12
sinB = /13 ?
answer
(i)
(ii)
(iii)
(iv)
Answer to Question
60
A
draw
two Δs
find
missing sides
expand
formula
fit in values
from Δs
5
3
B
13
12
Question 61
How do you solve
equations like
o
o
Cos2x - 5cosx = 2 ?
(0 ≤ x ≤ 360)
answer
Answer to Question 61
o
2
2cos x -1
fit in
for
o
cos2x
(ii) factorise
(iii) solve the equation
(i)
Question 62
What is
sin x
cos x
equal to ?
answer
Answer to Question 62
tan x
Question 63
How do you show
that x-1 is a factor
of the function
3
f(x)=x -3x+2 ?
answer
(i)
Answer to Question 63
rewrite the function as
3
2
f(x)=x +0x -3x+2
(ii) use synthetic division
with 1 on the outside
(iii) show that
remainder = 0
Question 64
What is the
sine rule ?
answer
Answer to Question 64
a
b
c
=
=
sinA sinb sinC
A
c
b
B
C
a
Question 65
Given f’(x) and a
point on the curve,
how do you find
f(x) ?
answer
Answer to Question 65
(i) integrate
(ii) fit in given point
to work out value
of C
Question 66
How do you solve
quadratic
inequations like
2
x - 5x + 6 ≤ 0 ?
answer
Answer to Question 66
(i) factorise
(ii) draw graph
(iii) read values
below x-axis
Question 67
How do you change
from radians to
degrees ?
answer
Answer to Question 67
Divide by π and
multiply by 180
Question 68
What is the
condition for real
roots ?
answer
2
b
Answer to Question 68
– 4ac ≥ 0
Question 69
How do you find the value of
a in the polynomial
x3+ax2+4x+3 given a factor
of the polynomial or the
remainder when the
polynomial is divided by a
number ?
answer
Answer to Question 69
(i) do synthetic division
(ii) let the expression
= 0 or the remainder
(iii) solve the equation
Question 70
How do you find f(x) if
f’(x) = 5-3x2 and
the curve passes through
the point (1,9) ?
answer
(i)
(ii)
Answer to Question 70
f(x) = ∫f'(x) dx
find C by replacing
point (1,9) into f(x)
(iii) write down completed
formula for f(x)
Question 71
What is
2
2
sin x + cos x
equal to ?
answer
1
Answer to Question 71
Question 72
How do you find the
equation of the
tangent to a circle at a
particular point on the
circumference ?
answer
Answer to Question
72
y
(i) find the
centre
(a,b)
(ii) find gradient
from centre
x
to point
(iii) find perpendicular gradient
(iv) use y-b=m(x-a)
C
Question 73
How do you find
2
x + 1 dx ?
∫ √x
answer
Answer to Question 73
(i) change root to
power
(ii)
(iii)
(iv)
(v)
split up into fractions
simplify each term
integrate each term
REMEMBER +C
Question 74
How do you show
that the root of a
function lies
between two given
values ?
answer
Answer to Question 74
fit in two values and
show one is positive
and one is negative
+ve
x
-ve
Question 75
How do you find
exact values of
sin2x and cos2x
3
given cosx = /5 ?
answer
Answer to Question 75
(i)draw a
right-angled
triangle
(ii) find the
missing side
(iii)
expand the double
angle formula
(iv)
fit in values from Δ
5
3
A
Question 76
What is the turning
point of
2
y=2(x-a) +b ?
Max or min ?
answer
Answer to Question 76
(i) (a,b)
minimum
(a,b)
Question 77
How do you
n
integrate x ?
answer
Answer to Question 77
n+1
x
n+1
+C
Question 78
How do you solve
equations like
o
o
cos2x -5sinx = 0 ?
(0≤x≤360)
answer
(i)
Answer to Question 78
o
2
fit in 1-2sin x
o
for cos2x
(ii) factorise
(iii) solve equation
Question 79
How do you
complete the square
for functions like
2
2x + 12x + 3 ?
answer
Answer to Question 79
(i) multiply out
2
a(x+p) +q
(ii) compare with
given function
(iii) find a, p and q
Question 80
How do you solve
equations of the form
o
sin2x = 0.5 ?
(0≤x≤360)
answer
Answer to Question 80
(i) decide on the
2 quadrants (sin is +ve)
(ii) press INV sin to get
angle
(iii) work out your 2 angles
(iv) divide each by 2
Question 81
How do you solve
quadratic inequations
like
2
x +5x-6 ≥ 0 ?
answer
Answer to Question 81
(i) factorise
(ii) draw graph
(iii) read values
above x-axis
Question 82
What is the centre
and radius of a
circle with equation
2
2
2
x +y =r ?
answer
Answer to Question 82
(i) centre (0,0)
(ii) radius = r
Question 83
How do you calculate
the area under a
curve ?
answer
Answer to Question 83
(i) integrate
(ii) fit in two limits
and subtract to
find area
Question 84
How do you find the
root of an equation
between two given
values to 1 dp ?
answer
Answer to Question 84
iteration
Question 85
How do you solve
equations of the form
o
2
sin x = 0.5 ?
(0≤x≤360)
answer
Answer to Question 85
(i) rearrange to get
o
sinx = ± …
(ii) find answers in
all 4 quadrants
Question 86
How do you name the
angle between a line
and a plane ?
answer
Answer to Question 86
(i) start at end of line (A)
(ii) go to where line meets A
the plane (B)
C
(iii) go to the point B
on the plane
directly under
the start of the line (C)
ABC
Question 87
What is the condition
for equal roots ?
answer
Answer to Question 87
2
b –
4ac = 0
Question 88
What is the turning
point of
2
y = b-3(x-a) ?
max or min ?
answer
Answer to Question 88
(a,b)
Maximum
(a,b)
Question 89
What is the quadratic
formula and explain
when it is used ?
answer
x =
Answer to Question 89
2
-b±√(b -4ac)
2a
It is used to find roots
of a quadratic equation
when it is difficult to
factorise.
Question 90
How do you prove that
a line is a tangent to a
circle ?
answer
Answer to Question 90
Rearrange line to make
y = or x =
Fit line into circle
Prove it has equal roots
2
using b -4ac = 0 or
repeated roots
Question 91
How do you find the
exact value of
sin (α-β),
4
given that sinα = /5
12
and cosβ = /13 ?
answer
Answer to Question 91
(i) draw triangles
for α and β
(ii) work out
cosα and sinβ
(iii) expand
formula for sin(α-β)
(iv) insert exact values
α
5
4
13
β
12
Question 92
How do you solve
equations of the form
o
cosx = - 0.8 ?
(0≤x≤360)
answer
Answer to Question 92
(i) decide on the
2 quadrants (cos is -ve)
(ii) ignore the sign and
press INV cos to get
angle
(iii) work out your 2 angles
Question 93
How do you change
from degrees to
radians ?
answer
Answer to Question 93
Divide by 180 and
multiply by π
Question 94
How do you find the
exact values of sin x
or tan x given
cos x = a ?
b
answer
Answer to Question 94
(i) draw triangle
b
a
(ii) use Pythagoras
to fill in missing side
(iii) read values off
triangle using
SOHCAHTOA
x
Question 95
How do you factorise a
cubic expression like
3
2
x -2x -x+2 ?
answer
Answer to Question 95
Synthetic division
using factors of last
number
factor
1
-2
-1
2
Remainder=0
Question 96
What is the centre
and radius of a circle
of the form
2
2
x +y +2gx+2fy+c=0 ?
answer
Answer to Question 96
Centre (-g,-f)
2
2
Radius √(g +f -c)
Question 97
How do you remember
the exact values of
o
o
o
30 , 45 and 60 ?
answer
Answer
to
Question
97
o
sin30 = ½
Draw right-angled
triangle
Complete using Pythagoras
Do similar
o
for tan 45 =1
60o
1
2
30o
√3
45o
√2
1
1
45o
Question 98
How do you calculate
the area between two
curves ?
answer
Answer to Question 98
(i) let equations equal
each other
(ii) solve to find limits
(iii) integrate
(upper - lower)
functions between limits
Question 99
How do you solve an
equation like
3sinx+1 = 0 ?
answer
Answer to Question 99
(i) rearrange to sinx =
(ii) decide on 2 quadrants
(iii) ignore any –ve and press
INV sin to get angle
(iv) work out two answers
Question 100
What is the condition
for no real roots ?
answer
2
b
Answer to Question 100
– 4ac < 0
Question 101
How do you find
b
∫
a
3
x
dx ?
answer
Answer to Question 101
3+1
x
[ 3+1
then
]
1
b
a
4
/4[(b )
-
4
(a )]
Question 102
How do you find where
a line and a circle
intersect ?
answer
Answer to Question 102
Rearrange line to get
x = … or y = …
Fit into circle and solve
Question 103
State the cosine rule
to find an angle
answer
Answer to Question 103
cos A =
2
b
2
c
+ 2bc
2
a
A
c
b
B
C
a
Question 104
What is the centre
and radius of a circle
of the form
2
2
2
(x-a) +(y-b) = r ?
answer
Answer to Question 104
Centre (a,b)
Radius = r
y
r
C (a,b)
x
Question 105
State the cosine rule
to find a missing side
answer
2
a
Answer to Question 105
=
2
2
b +c -2bccosA
A
c
b
B
C
a
Question 106
How do you find
n
∫ (ax + b) dx ?
answer
(i)
(ii)
(iii)
i.e.
Answer to Question 106
increase power by 1
divide by new power
divide by the
derivative of
the bracket
n+1
(ax+b)
a(n+1)
+ C
Question 107
How do you find
the coordinates of a
point which divides a
line in a ratio e.g.
3:2 ?
answer
(i)
(ii)
(iii)
(iv)
(v)
Answer to Question 107
write in form AB = 3
BC 2
cross-multiply
write AB = (b-a)
solve to find missing
vector
rewrite as point (*,*)
A
3
B
2
C
Question 108
What is a
position vector ?
answer
Answer to Question 108
A vector which starts at
the origin
Question 109
How do you express
acosx+bsinx+c
in the form
kcos(x-α) etc?
answer
Answer to Question 109
(i) expand brackets
and equate like terms
S A
(ii) find k =√(a2+b2)
T C
(iii) identify quadrant α is in
(iv) find α , tanα = sinα
cosα
Question 110
How do you
differentiate a
bracket without
multiplying it out ?
answer
Answer to Question 110
(i) multiply by old power
(ii) decrease power by 1
(iii) multiply by
derivative of bracket
Question 111
What is
Logax – logay
equal to ?
answer
Answer to Question 111
x
loga
y
Question 112
What do you get
when you
differentiate cosx ?
answer
Answer to Question 112
-sinx
Question 113
How do you show
that two vectors are
perpendicular ?
answer
Answer to Question 113
Show that a.b=0
a
b
Question 114
How do you
integrate sin ax ?
answer
Answer to Question 114
1
- /
a
cos ax + C
Question 115
How do you draw a
graph of the form
y = acosx
or y = asinx ?
answer
Answer to Question 115
Draw y = cosx
or y = sinx graph
with a maximum of a
and a minimum of -a
Question 116
How do you find the
maximum or
minimum values of
acosx + bsinx + c ?
answer
Answer to Question 116
(i) change acosx+bsinx
into Rcos(x-a)
(ii) max is R+c
Question 117
How do you find a
unit vector parallel
to a given vector ?
answer
Answer to Question 117
(i) find the length of
the given vector
(ii) divide all the
components by
this length
Question 118
How do you
integrate cos ax ?
answer
Answer to Question 118
1
/
a
sin ax + C
Question 119
How do you draw a
graph of the form
y = cos(x+a)
or y = sin(x+a) ?
answer
Answer to Question 119
Move the graph of
y=cosx or y=sinx
a units to the LEFT
Question 120
What is a unit
vector ?
answer
Answer to Question 120
A vector of length 1 unit
Question 121
How do you draw a
graph of the form
y = cos bx
or y = sin bx ?
answer
Answer to Question 121
Draw the normal graph
but fit in b waves
o
o
between 0 and 360
Question 122
What is
loga x + loga y equal
to ?
answer
Answer to Question 122
Loga xy
Question 123
What do you get
when you
differentiate sin x ?
answer
Answer to Question 123
cos x
Question 124
How do you find the
angle between two
vectors ?
answer
Answer to Question 124
a.b
cos =
ab
a
b
Question 125
Given an equation
-3k
like m = moe and
an amount by which
it has been decayed,
how do you find k ?
answer
Answer to Question 125
(i) fit in m and mo
-3k
(ii) rearrange to get e =
(iii) take logs
(iv) solve
Question 126
If u = ai+bj+ck
then what is u in
component form ?
answer
Answer to Question 126
U=
a
b
c
Question 127
What do you get
when you
differentiate
cosax ?
answer
Answer to Question 127
-asinax
Question 128
How do you solve an
equation of the form
acosx + bsinx + c=0 ?
answer
Answer to Question 128
Change acosx+bsinx
into Rcos(x- a)
Rearrange and solve
Question 129
What is loga
to ?
n
x
equal
answer
Answer to Question 129
nloga x
Question 130
How would you
differentiate a
function like
3
y = sin x ?
answer
Answer to Question 130
3
(i) write as (sin x)
(ii) multiply by the power
(iii) decrease power by one
(iv) multiply by the derivative
the bracket
i.e. 3cosx sin2x
of
Question 131
State the three
rules of logs ?
answer
Answer to Question 131
(i) logaxy = logax + logay
(ii) loga
x
= logax – logay
y
n
(iii) logax = nlogax
Question 132
How do you solve
equations of the
form
x
3 = 0.155 ?
answer
Answer to Question 132
(i) take logs of both sides
(ii) bring x down to front
(iii) solve the equation
Question 133
Given experimental
data, how do you
find an equation in
x
the form y=ab or
b
y=ax ?
answer
Answer to Question 133
(i) take logs of both sides
(ii) rearrange to get a
straight line equation
(iii) determine type
(iv) find solution
Question 134
How would you
differentiate a
function like
y = sin ax ?
answer
Answer to Question 134
dy/
=
acos
ax
dx
Question 135
If u =
a
b
c
then what is u ?
answer
Answer to Question 135
work
out length
2
2
2
√(a +b +c )
Question 136
How do you add or
subtract vectors ?
answer
Answer to Question 136
add
or subtract
matching components
Question 137
What does
a.a equal ?
answer
Answer to Question 137
2
a
Question 138
How do you prove
that three 3-D
points are
collinear ?
answer
Answer to Question 138
Prove they are the
same vector multiplied
by different or the
same numbers
Question 139
Express the
n
equation y=kx in the
form of the equation
of a straight line,
Y=nX+c.
answer
Answer to Question 139
logy = nlogx + logk
Question 140
Who loves maths ?
answer
Answer to Question 140
ME !!!!!