Transcript Slide 1
Non Calculator Tests Fourth Year Non Calculator Tests 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Click on a number in the table above to go to the test of your choice. The solutions follow after the test Non Calculator – Test 1 Question Solutions – Test 1 1 55 2 8¾ 3 4½ 4 1·8 5 10·08cm2 6 0·35 7 37.67 8 4 9 37·6 10 1¼ 11 10√3 Non Calculator – Test 2 1. Find 8% of £24 2. Evaluate ½ of ( 12¼ - 5¾) 3. If a = 5 , b = -3 and c = 4 find the value of b2 – 4ac 4. Evaluate 2.9 + 3.1 2 5. Factorise 9x2 – 25 6. Solve 5(2x-1) = 7 7. The perimeter is 32 , find x x 2x+1 8. Solve 2x2 = 98 9. If 5% of a number is 12 , find the number. 10. Solve the equations x + y = 13 x –y=4 Question Solutions – Test 2 1 ₤1·92 2 3¼ 3 -71 4 9·1 5 (3x-5)(3x+5) 6 x = 1·2 7 x=5 8 x = 7 or x = -7 9 240 10 x = 8.5 and y = 4.5 Non Calculator- Test 3 4 5 3 x 2 x 1. Evaluate 6x7 2. Evaluate 21.6 – 3.2 + 2.1 3. Find 1 3 of ( 2 3 + 1 4 ) 4. Write 60 as a surd in it’s simplest form. 5. Factorise fully 2x3 – 8x 6. Simplify 8 x 16 3x 6 Solve 5x – 2(3x-1) > 4 Remove the brackets (2x + 3)(x2 + x + 3) If sinA = ¾ and A is an acute angle , find the exact value of cosA. 10. If y varies directly as the cube of x and x is doubled , find the effect on y ? 7. 8. 9. Question Solutions – Test 3 1 x2 2 20·5 3 11/36 4 2√15 5 2x(x-2)(x+2) 6 8/3 7 x > 0·5 8 2x3 + 5x2 + 9x + 9 9 √7/4 10 multiplied by a factor of 8 Non Calculator- Test 4 1. If f(x) = 3 – 2x2 , find the value of f(-2) 2. Solve the equation 4x2 – 7x = 0 3. Factorise fully x3 – 4x 4 . Simplify 45 + 20 5 2 3 x 2 x 5. Simplify the expression 6 x 2 6. The perimeter of a rectangle is 36 and the length is twice the breadth. Find the area of the rectangle. 7. Solve 5 8 = 2 x 8. Find 3% of 480 1 9. Evaluate 3 2 1 2 7 10. Evaluate 16 3 4 Question Solutions – Test 4 1 -5 2 x = 0 or x = 7/4 3 x(x-2)(x+2) 4 5√5 5 x9 6 72cm2 7 x = 3·2 8 14·4 9 7½ 10 8 Non Calculator- Test 5 1. Find 25% of £19 2. If x = -2 and y = 5 find the value of 2 y +x x 3. If the diameter of the larger circle is 20cm and the diameter of the smaller circle is 10cm , find the shaded area. Take as 3. 4. Subtract 6.38 from 13.9 5. How many pencils costing 14p each can you buy for £5 ? 3 to a decimal. 5 18 in an English exam. What was his percentage mark. 7. A pupil scored 25 6. Change 8. Find the gradient of the line 2x+y+5 = 0 9. If y varies inversely as x and y=5 when x =2 find a formula connecting x and y. Find y when x = 20. 10. If y = mx + c , change the subject of the formula to m. Question Solutions – Test 5 1 ₤4·75 2 1·5 3 225cm2 4 7·52 5 35 pencils 6 0·6 7 72% 8 m = -2 9 y=10/x ; 0·5 10 m = (y-c)/x Non Calculator – Test 6 5 find the exact value of cosx. 12 6 2. Write the fraction with a rational denominator in its simplest 12 1. If tanx = possible form. 3. Find 5% of 42 1 2 1 4. Evaluate 2 of 3 4 5. A rectangle has a length 3+2 and a breadth 3-2 . Find an expression for the area in its simplest form. 6. Factorize 6x2 – 13x + 6 7. The perimeter of a square is 6cm. Find the area. 8. If x = 4 and y = 25 , find the value of x 1 2 y 1 2 9. If f(x) = 3x + 5 and f(t) = 32 find the value of t 10. Solve the equation 3x2 = 5x Question Solutions – Test 6 1 12/13 2 √3 3 2·1 4 11/24 5 7 6 (3x-2)(2x-3) 7 2·25cm2 8 2/5 9 t=9 10 x = 0 or x = 5/3 Non Calculator – Test 7 5x 4 4 x 3 1. Simplify 10 x 2 2. Simplify 4 x 2 25 2x2 5x 3. Solve the equation 5 – 2(2x – 3) 13 4. If T = 4 ( P 31) , change the subject of the formula to P 7 1 1 5. If x = 4 and y = 25 find the value of 2 x 2 y 2 6. If x + y = 17 and x – y = 4 , find the value of y. 7. If f(x) = 5x – 4 and f(t) = 11, find t. 8. Simplify 60 + 135 4 9. If A is an acute angle and sinA = , find the exact value of tanA. 10. Solve the equation 2x2 – 2x = 0 5 11. The diagram shows the graph of the function y = x2 – 4x. Find the coordinates of point P 12. Find the equation of the straight line shown. (4,7) (0,5) . P Question Solutions – Test 7 1 2x9 2 (2x+5)/x 3 x less than or equal to -0·5 4 P = (7T-124)/4 5 4/5 6 y = 6·5 7 t=3 8 5√15 9 4/3 10 x = 0 or x = 1 Non Calculator – Test 8 1 2 1 2 1 2 1. Simplify 3x (2 x x ) 2. Find x as a surd in its simplest form. 6 2 x 3. If f(x) = 1 – 2x – x2 , find the value of f(-1). 4. If a = -3 , b = -2 and c = 5 find the value of b2 – 4ac. 5. The gradient of the line joining the points (2,5) and (5,t) is 3. y Find the value of t. 6. Find the coordinates of point T shown in the diagram x–y=2 T x 7. If x = 2 3 and y = 3 2 find the value of x2y2 x + y =10 8. The graph shows the relation y varies inversely as x’ . Find the equation connecting x and y. 9. If y varies directly as the cube of x and x is doubled, find the effect on y. 10. Solve the equations 3x + 2y = 3 y = 2x – 9 11. Factorize fully 8x4 – 2x2 12. Remove the brackets (4x – 3)( x2 – 2x – 3) . (3,10) Question Solutions – Test 8 1 6x - 3 2 4√2 3 2 4 64 5 t = 14 6 T(6,4) 7 216 8 y=30/x 9 y is mult by factor of 8 10 x = 3 , y = -3 11 2x2(2x-1)(2x+1) 12 4x3 - 11x2 – 6x + 9 Non Calculator- Test 9 1. 2. 3. 4. 5. What is the equation of the function shown in the diagram? 4 Factorize fully 15x2 + x – 6 If x = -4 , y = 2 and t = -3 find the value of yt – 2x2 Simplify 50 - 18 Simplify x 2 x 6 -4 x 2 3x 180 360 6. Evaluate 1 of ( 2 3 ) 2 3 4 7. If y varies directly as the square of x and x is multiplied by a factor of 3 find the effect on y. y 8 Find the equation of the straight line shown. (4,6) 9 Write x as a surd in its simplest form. 10. Write as a single fraction (16,0) 3x 1 1 2 x 2 3 11. If P 1 (3T 1) , change the subject to T and hence find T when P = 40. 2 12. Solve the inequation -5x –7 11 x Question Solutions – Test 9 1 4cos2x 2 (5x-3)(3x+2) 3 -48 4 2√2 5 (x+2)/x 6 17/24 7 y is mult. by a factor of 9 8 y = -0.5x + 8 9 4√5 10 (5x-5)/6 11 T=(2P-1)/3 ; T = 13 12 x greater than or equal to -3.6 Non Calculator- Test 10 1 Find the equation of the straight line shown in the diagram. y (0,3) 2. If x = -2 find the value of 2x3. 3. Solve the equation 3x2 – 9x = 0. (6,0) x 0 4. y varies inversely as the square of x and y = 1 when x = 2. Find a formula connecting x and y. Find y when x = 4. 5. Evaluate 1 1 2 1 2 5 5 6. Simplify 75 - 48 2x+1 7. The perimeter of the rectangle shown is 62cm. Make an equation and find x correct to 1 decimal place. Continued on next slide 8. Simplify 4 4x 8 9. Find 4% of £48 10. Multiply out the brackets (2x – 1)3 11. Write with a rational denominator 12. Simplify the expression 10 x 7 4 x 3 20 x 1 4 12 Question Solutions – Test 10 1 y=-0.5x+3 2 -16 3 x= 0 , 3 4 y=4/x2 , y = 0.25 5 3 6 √3 7 x = 7.5 8 1/(x-2) 9 ₤1·92 10 8x3 – 12x2 + 6x -1 11 √3/2 12 2x11 Non Calculator - Test 11 1. Write down the equation of the trig. function shown in the diagram. 3 90º 1 2. If A is an acute angle and sinA = , find the exact value of cosA giving 2 your answer as a surd with a rational denominator. -3 x2 9 3. Simplify the fraction x 2 3x 7 4. Find the exact value of cosA A 5 5. Remove the brackets (5-3x)(6-4x) 6. If x = 36 and y = 9 find the exact value of 1 2 x y 1 2 8 360º 5x + 2y = 17 and 3x –2y = 7. 7. Find x if 8. Find the gradient of the line shown in the diagram. 9. Simplify the expression shown 1 2 1 2 x (x x ) 10. Find 25% of 47 12. If f(x) = 1 1 1 2 3 4 3x and f(t) = 1 2 2x 1 (-5,0) x (0,-4) 1 2 11. Evaluate y , find t. Question Solutions – Test 11 1 3sinx 2 √3/2 3 x3 x 4 1/7 5 30 – 38x + 12x2 6 18 7 x=3 8 m = -0·8 9 x – x-1 10 11·75 11 7/12 12 t=¼ Non Calculator – Test 12 3 1. Identify the trig. graph shown in the diagram 2. Factorize fully 8x2 – 2y2 5. Evaluate 360º -3 2 x 3. If x = -10 and y = -4 find the exact value of as an improper fraction in its simplest form. y3 4. Write as a single fraction 180º 3x 1 x 2 3 1 1 3 of (12 7 ) 2 4 4 6. If f(x) = 1 - 2x - 4x2 , find the value of f(-3). giving your answer 7. The area of a square is 300cm2. Find the perimeter giving your answer as a surd in its simplest form. 8. Find the equation of the straight line shown. (0,4) 0 9. y varies directly as the square root of x and y = 5 when x = 16. Find an equation connecting x and y. Find y when x = 9. 10. Evaluate (5x2)3 11. Solve the equation 7x – 4x2 = 0. 12. Multiply out the brackets and simplify (3 2 +1)(2 2 – 1) (12,0) Question Solutions – Test 12 1 3sin2x 2 2(2x-y)(2x+y) 3 -25/16 4 11x 2 6 5 2¼ 6 -29 7 P = 40√3 8 m = -1/3 9 y=1.25√x ; y = 3.75 10 125x6 11 X = 0 , 7/4 12 11 - √2 Non Calculator - Test 13 1. The rectangle shown has an area of 84 sq.cm Make an equation and find x. 3 2. Factorize fully 25t3 – t 3. Find 25% of £350 4. Simplify the expression x(x-3) – (x+2)(x+1) 5. Evaluate 13.8 – 15.6 + 4.7 6. If f(x) = 3x2 – 2x –1 , find the value of f(-2). 7. Write 500 as a surd in its simplest form. 2x+3 8. Find the gradient of the straight line shown. (0,5) 0 9. y varies directly as the square of x and y = 40 when x = 2. Find an equation connecting x and y. Find y when x = 3. 10. Evaluate (yx3)4 11. Solve the equation x2 – 6x - 16 = 0. 12. Multiply out the brackets and simplify ( 2 +1)( 2 – 1) (10,0) Question Solutions – Test 13 1 x = 12·5 2 t(5t-1)(5t+1) 3 ₤87·50 4 -6x -2 5 2·9 6 15 7 10√5 8 m = -½ 9 y = 10x2 , y = 90 10 y4x12 11 x = 8 , -2 12 1 Non Calculator – Test 14 1. If sinx = 5 13 , find the exact value of cosx. 2. Write the fraction 6 with a rational denominator in its simplest possible form. 18 3. Find 9% of 36 4. If f(x) = 3x – 5 and f(t) = 22 , find t. 5. A rectangle has a length 5+6 and a breadth 5-6 . Find an expression for the perimeter in its simplest form. 6. Factorise 9x2 – 12x + 4 7. The perimeter of a square is 14cm. Find the area. 8. If x + y = 24 and y = 2x , find the value of y 9. Simplify 9 x 18 10 x 20 10. Solve the equation x2 = 3x Question Solutions – Test 14 1 12/13 2 √2 3 ₤3·24 4 t=9 5 20 6 (3x-2)(3x-2) 7 12·25 8 16 9 9/10 10 x=0,3 Non Calculator – Test 15 2 5 5 x 4 x 1. Simplify 20 x 1 2. Simplify x 2 25 x 2 5x 3. Solve the equation 5x – (2x – 3) 4. If W = 1 ( M 2) 2 1 , change the subject of the formula to M. 5. If x = 9 and y = 16 find the value of 1 2 x y 6. Find the V.A.T. on an article costing £400. 7. If f(x) = 5x – 1 and f(t) = -6 , find t. 1 2 8. Simplify 20 + 45 9. If A is an acute angle and sinA = 1 , find the exact value of tanA. 2 10. Solve the equation 2x2 + 5x = 0 11. The diagram shows the graph of the function y = x2 – 6x. P Find the coordinates of point P, the minimum value of the function. (10,2) 12. Find the equation of the straight line shown. (0,1) Question Solutions – Test 15 1 x8 2 x5 x 4 2 3 M = 2W - 2 5 ¾ 6 ₤70 7 t = -1 8 5√5 9 1 3 3 x 10 x = 0 or x = -5/2 11 (3,-9) 12 y = 0.1x + 1 Non Calculator – Test 16 1. Find 3% of £78 2. Evaluate 1 1 1 2 3 5 3. If a = 2 , b = -1 and c = 3 find the value of ab – bc 4. Evaluate 12 4 + 6 2 5. Factorise fully 2x2 – 3x + 1 6. Simplify the algebraic fraction x2 9 x 2 4x 3 7. Write 56% as a fraction in its simplest form. 8. Solve the equation 2x2 + 5x = 0 9. If 10% of a number is 17 , find the number. 10. Find the value of x if x + y = 12 and x – y = 11 11. y varies inversely as x and y = 6 when x = 5. Find y when x = 10. Question Solutions – Test 16 1 ₤2·34 2 19/30 3 1 4 15 5 (2x-1)(x-1) 6 (x-3)/(x+1) 7 14/25 8 x = 0 or x = -5/2 9 170 10 x = 11·5 11 y=3 1. Evaluate Non Calculator – Test 17 x3 x6 x 2 2. Evaluate 1.6 – 3.2 + 2.1 3. Write 2x 1 x 1 as a single fraction 3 4 4. Write 80 as a surd in it’s simplest form 5. Factorize fully 6x2 – 13x + 6 6. Find the gradient of the line which passes through the points (0,4) and (4,0) 7. Solve 6x – (3x+2) < 4 8. Remove the brackets (x + 1)(x2 + x - 3) 2 9. If sinA = , and A is an acute angle , find the exact value of tanA. 3 10. If y varies directly as the square of x and x is trebled , find the effect on y ? Question 1 2 Solutions – Test 17 x11 0·5 3 4 5 (5x+7)/12 4√5 (3x-2)(2x-3) 6 7 8 m = -1 x<2 x3 + 2x2 – 3x - 3 9 10 2/√5 y is mult. by a factor of 9 Non Calculator – Test 18 1. Write the number 32.6904 correct to a) 1 decimal place b) 5 significant figures 2. Write the fraction possible form. 12 with a rational denominator in its simplest 18 3. Find 50% of 6.42 4. If f(x) = 1-2x and f(t) = 5 , find t. 5. Factorize fully 4x3 – 4x 6. Make x the subject of the formula y = mx + c. 7. The area of a square is 400cm2. Find the perimeter. 8. If x = 4 and y = 16, find the value of 9. Simplify (x+1)2 – x(x-2) 10. Solve the equation 5 – 2(x-2) = 0 x 3 2 y 1 2 Question 1 2 Solutions – Test 18 a) 32·7 b) 32·690 2√2 3 4 5 3·21 t = -2 4x(x-1)(x+1) 6 7 8 x = (y-c)/m P = 80 9 10 ½ 4x + 1 x = 4·5 Non Calculator – Test 19 3 2 1 2 1 2 1. Simplify 2x ( x 2x ) 2. Find x as a surd in its simplest form. 8 4 x 3. If f(x) = x – x2 , find the value of f(-2). 4. Find 9% of £44 5. The gradient of the line joining the points (0,2) and (2,t) is 4. Find the value of t. 6. Write 40% as a fraction in its simplest form. 7. If x = 4 3 and y = 3 3 find the value of 2xy 8. Solve the inequation 4x – 2(1-2x) > 5 9. If y varies directly as the square of x and x is doubled, find the effect on y 10. Solve the equations 3x + 2y = 16 , 11. Factorize fully x4 – 81 y=x–2 12. Remove the brackets (x – 3)(2x2 – 2x + 3) Question 1 2 Solutions – Test 19 2x2 – 4x 4√3 3 4 5 6 -6 ₤3·96 t = 10 2/5 7 8 9 72 x>7/8 y is mult. by 4 10 11 12 x=2 (x-3)(x+3)(x2+9) 2x3 – 8x2 + 9x - 9 Non Calculator – Test 20 1. Find the equation of the straight line with a gradient 3 which passes through the origin. 2. If x = -2, find the value of 3x2. 3. Solve the equation x2 + x = 0. 4. y varies inversely as the square of x and y = 2 when x = 2. Find a formula connecting x and y. Find y when x = 4. 5. Evaluate 2 1 1 3 4 5 6. Simplify 125 + 75 7. The perimeter of the rectangle shown is 70cm. Make an equation and find x correct to 1 decimal place. 4 x+6 8. Simplify 2 2x 4 9. Find 2% of £48.50 10. Multiply out the brackets (x + 2)3 11. Write 2 8 in its simplest form with a rational denominator 12. Simplify the expression 20 x 6 4 x 3 16 x 2 Question 1 2 3 4 5 Solutions – Test 20 y = 3x 12 x = 0 or x = -1 y=8/x2 ; y = ½ 6 5(√5 + √3) 7 8 9 10 11 12 x = 25 1/(x-2) ₤0·97 x3+ 6x2 + 12x + 8 √2/2 5x11 3 3 5 Non Calculator 21 1. Find 10% of £19 2. If x = -1 and y = -2 find the value of 3. Solve the equation x2 = 3x. y 3 + x x 4. Subtract 4.8 from 7.3 5. Remove the brackets (x + 2) (x2 + x + 1) 6. Write 8% as a fraction in its simplest form. 7. Simplify 2x 4 3x 6 8. Find the gradient of the line 2x+4y+1 = 0 9. If y varies inversely as the square of x and y=2 when x =3 find a formula connecting x and y. Find y when x = 6. 10. If C = 5 ( F 32) 9 , change the subject of the formula to F. Question 1 2 3 4 5 6 7 8 9 10 Solutions – Test 21 ₤0·19 1 x=0,3 2·5 x3+3x2 + 3x + 2 2/25 2/3 m = -½ x = 6 and y = ½ F (9C 160) 5 Non Calculator – Test 22 1. If sinx = 8 and x is an acute angle, find the exact value of cosx. 17 2. Write the fraction possible form. 6 18 with a rational denominator in its simplest 3. Find 2% of 80 1 1 1 4. Evaluate of 2 4 4 5. A rectangle has a length 32 and a breadth 52 Find an expression for the area in its simplest form. 6. Factorise x2 – x – 6 7. The perimeter of a square is 10cm. Find the area. 8. If x = 9 and y = 4 , find the value of 4 x 1 2 y 1 2 9. If f(x) = 2x + 5 and f(t) = 23, find the value of t. 10. Solve the equation x2 = 5x + 4 Question 1 2 Solutions – Test 22 15/17 √2 3 4 5 6 2 3/16 30 (x-3)(x+2) 7 8 9 6·25cm2 6 t=9 10 x=4,x=1 Non Calculator – Test 23 x 5 12 x 4 1. Evaluate 6x7 2. Evaluate 11.6 – 13.2 + 2.5 3. Remove the brackets (x + 2)(2x2 –x -1) 4. Calculate the gradient of the line which passes through the points (5,2) and (-3,2). 5. If f(x) = 3 – x – x2, find the value of f(-3). 2 x x 6. Simplify x 1 7 . Solve the equation x2 = 7x 8 . Simplify √45 + √20 - √125 9 . If P = 4(L + B), change the subject of the formula to B. 10 . If y varies inversely as the square of x and x is doubled, find the effect on y? Question 1 2 Solutions – Test 23 2x2 0·9 3 4 5 2x3 + 3x2 – 3x -2 m=0 -3 6 7 8 x x=0,x=7 0 9 10 B=(P-4L)/4 y is divided by a factor of 4 Non Calculator – Test 24 6 360º 90º 1. Write down the equation of the trig. function shown in the diagram. -6 2 2. If A is an acute angle and sinA = , find the exact 3 value of tanA, giving your answer as a surd with a rational denominator. 3. Simplify the expression 2x(x+1) – (2x+1)(x-1) 5 4. Find the exact value of cosA. 5. Solve the equation 2 x 1 3 x5 4 A 2 6. If x = 25 and y = 4, find the exact value of x -½ y ½ 4 7. Solve 2x + 3y = 21 , y = 3x – 4 8. Find the equation of the line shown in the diagram. y (-2,0) 9. Simplify the expression shown 1 2 4 x (x (0,-1) 1 2 1 2 x ) 10. Find 15% of 20 11. Evaluate x 1 2 3 4 3 4 12. Write √120 as a surd in its simplest form. Question 1 2 3 4 5 6 7 8 9 10 11 12 Solutions – Test 24 6sinx 2/√5 3x + 1 37/40 x = -3·8 2/5 x=3,y=5 y = -0·5x - 1 4 – 4x 3 3/4 2√30 Non Calculator – Test 25 1. Find 5% of £60000 2. Evaluate ¼ of ( 10½ - 4) 3. A square has an area of 400 cm2. Find the perimeter of the square. 4. Evaluate 1.52 + 2.52 5. Factorize fully x3 – x 6. Solve 4 – 2(x – 1) = 9 7. If f(x) = x2 + 1 find the value of f(-2) – f(2). 8. Write as a surd with a rational denominator 8 20 9. A discount of 40% is offered on a television set in a sale. Find the sale price of the set. 10. State the gradient of the line with equation x + 4y = 1 Question 1 2 Solutions – Test 25 ₤3000 3 4 5 80cm 8·5 x(x-1)(x+1) 6 7 8 9 x = -1·5 0 4√5/5 Needs a price for the set. 10 -¼ 9 1 16 Non Calculator – Test 26 1. Simplify 1 2 1 2 1 2 8x (0.5x x ) Find the value of this expression when x = 4. x 2. Find x as a surd in its simplest form 2 8 3. If f(x) = 10 – x – x3 , find the value of f(-1). 4. y varies directly as x and y =6 when x = 4. Find y when x = 10. 5. Solve the equation x3 – 4x = 0 y x–y=1 6. Find the coordinates of point P x x+y =8 7. If x = 4 2 and y = 5 2 find the value of x3y 8. The graph shows the relation y varies inversely as the square of x Find the equation connecting x and y 9. If x = 4, find the value of √(x2 + 48) (2,5) 10. Find the point where the line 2x + 3y -12 = 0 cuts the x axis 11. Factorize fully x2 – x – 12 12. Remove the brackets (x – 3)( x2 – 2x + 3) Question 1 2 Solutions – Test 26 4x - 8 2√15 3 4 5 12 y = 1·5x ; y =15 x = 0,2,-2 6 7 8 9 P(4.5,3.5) 1280 y=20/x2 8 10 (6,0) 11 12 (x-4)(x+3) x3 - 5x2 + 9x - 9 Non Calculator – Test 27 5x 4 2 x 3 1. Simplify 10 x 1 2. Simplify x 2 25 x 2 6x 5 3. Solve the equation 15 – (2x – 3) 4. If M = 2 (T 12) 3 1 , change the subject of the formula to T 5. Write as a single fraction 2x 1 x 1 5 3 6. If 2x + y = 11 and x – y = 4 , find the value of y. 7. If f(x) = x2 – 4 and f(t) = 32, find t. 8. Simplify 242 - 98 9. If A is an acute angle and cosA = 12 , 13 find the exact value of tanA. 10. Solve the equation x2 – 11x = 0 11. The diagram shows the graph of the function y = x2 – 6x. Find the coordinates of point P 6 P 12. Find the gradient of the straight line shown. (5,9) (0,3) Question 1 2 Solutions – Test 27 x8 3 4 x 8.5 5 x5 x 1 T 3M 24 2 x2 15 6 7 8 9 y=1 t = 6 , -6 4√2 10 11 12 x = 0 , 11 (3,-9) tan A 6 5 5 12 Non Calculator – Test 28 1. Find 5% of £1800 2y 2. If x = -2 and y = -4 , find the value of + x 3. A straight line has equation 4x + 3y = 24. Find the point where the line cuts the y axis. 4. Subtract 4.76 from 12.38 5. Simplify the algebraic fraction 6. Change 2 to a decimal. 5 10 x 30 20 x 60 x3 28 7. A pupil scored 40 in a Mathematics exam. What was his percentage mark? 8. If f(x) = ax2 + 5 and f(2) = 33, find the value of a. 9. If y varies inversely as the cube of x and y = 1 when x =2. Find a formula connecting x and y. Find y when x = 1. 10. If e = mc2 , change the subject of the formula to c. Question 1 2 3 Solutions – Test 28 90 -4 (0,8) 4 5 6 7·62 7 8 9 70% a=7 ,x=1,y=8 10 ½ 0·4 y 8 x3 C e m Non Calculator – Test 29 1. Find the equation of the straight line shown in the diagram. y (0,4) 2. If x = -1, find the value of x3 – x2 0 3. Solve the equation 4x2 – 81 = 0. 4. P varies directly as the square of Q and P = 1 when Q = 2. Find a formula connecting P and Q. Find P when Q = 10. 5. Evaluate 4 1 11 2 3 6. Simplify 200 - 128 (8,0) x 7. The perimeter of the rectangle shown is 56cm. Make an equation and find x. 6 2 8. Evaluate , when x = 2 5x 8 9. Evaluate 100 – 25 3x+4 5 10. Multiply out the brackets (1-3x)(4x+1) 11. Write with a rational denominator 12. Simplify the expression x3 2 x 2 4 2 1 Question 1 2 3 Solutions – Test 29 m = -½ -2 9/2 and -9/2 4 5 6 P=¼Q2 , P = 25 6 2√2 7 8 9 x=6 1 -25 10 11 12 1 + x – 12x2 4(√2 – 1) ½x5 Non Calculator – Test 30 12 1. What is the equation of the function shown in the diagram? 180 -12 2. If f(x) = 4 + ax3 and f(-1) = 5 , find a formula for f(x) and hence find the value of f(3) 3. If x = 10 , y = -2 and t = 3, find the value of 4. Simplify 3x4 5. Simplify 6. Evaluate (2x2)3 x2 x 6 x 2 3x 1 3 7 of ( ) 4 4 4 7. If x + y = 20 and y = 4x , find the value of y. x y t 360 y 8. Find the equation of the straight line shown. (1,3) (5,0) 9. Write x as a surd in its simplest form. x x 4 6 10. Evaluate 23.2 – 34.7 + 16.8 11. If 3 L (3M 5) , change the subject to M and hence find M when L=10. 2 12. Solve the inequation -2x +9 5 Question 1 Solutions – Test 30 12cos2x 2 3 4 a = -1; f(3)=-23 4 24x10 5 6 (x-2)/x 5/8 7 x = 4 , y = 16 8 9 10 11 y = -0.75x + 3.75 x = 2√5 5·3 M=(2L-15)/9 x 2 12 Non Calculator – Test 31 1. The rectangle shown has an area of 72 sq.cm Make an equation and find. 2. Factorize fully 121x4 – x2 2x 4x 3. Find 8% of £300. 4. Simplify the expression 2x(x-3) – (x+2)(2x+3) 5. Evaluate 1.42 6. A Doctor has been given a pay rise of 25%. He now earns ₤60000 per annum. How much did he earn before the pay rise. 7. Write 800 as a surd in its simplest form. 8. Find the gradient of the straight line shown. (0,6) 0 (12,0) 9. If x = √5 + 2 and y = √5 – 2, find the value of x2 + y2. 10. Evaluate √(122 + 52) 11. Solve the equation 121 – x2 = 0 12. Multiply out the brackets and simplify (3 7 +1)( 7 – 1) Question 1 Solutions – Test 31 x =3 2 3 4 5 x2(11x-1)(11x+1) ₤24 -13x - 6 1·96 6 7 8 48000 20√2 m = -½ 9 10 11 18 13 x = 11 , -11 12 20 - 2√7 Non Calculator – Test 32 1. A straight line passes through the points (2,0) and (0,-2). Find its equation. 2. Solve the equation 3x 2 Give your answer correct to 4 3 1 decimal place 3. Factorize fully 4x2 – 15x + 9 4. y varies inversely as the square of x and x is doubled. Find the effect on y. 3 4 3 11 5. Evaluate 2 1 6. Simplify 32 - 18 7. The perimeter of the rectangle shown is 50cm. Make an equation and find x correct to 1 decimal place. 5 8. Simplify 8 16 x 8 2x+1 9 Find 3% of £1000 10. If x = -5, y= 4 and t = -2 , find the value of x2yt. 11. Write 6 12 in its simplest form with a rational denominator. 12. Simplify the expression (x+1)2 – x(x+1) Question 1 2 3 4 5 6 7 8 9 10 11 12 Solutions – Test 32 y=x-2 x = 0·9 (4x-3)(x-3) y is divided by 4 3½ √2 x = 9·5 1/(2x-1) ₤30 -200 √3 x+1 Non Calculator – Test 33 1 Evaluate y2 y5 y 1 2. Simplify the expression -4x(x-1) – 4x(1-x) 3 x x 1 3 5 Write 72 as a surd in its simplest form. Factorize fully x2 – 16x + 64 3. Write as a single fraction 4. 5. 6. The point (t,5) lies on the line x + y - 9 =0. Find the value of t. 7. 8. 9. Solve the inequation 5x – (3x-2) < - 4 Remove the brackets (2x + 1)(x2 - x - 10) A car costs ₤24000. In a sale it is reduced by 20%. Find the sale price of the car. 10 A car travels a distance of 250 km in 2½ hours. Calculate the average speed of the car in km per hour. Question 1 2 Solutions – Test 33 y8 0 3 4 (2x+3)/15 6√2 5 6 (x-8)(x-8) t=4 7 8 9 x < -3 2x3 – x2 – 21x - 10 ₤19200 10 100km/hr Non Calculator – Test 34 3 2 3 2 1 2 1. Simplify x ( x x ) 2. Find x as a surd in its simplest form. 10 5 3. If P = 2(L+B), change the subject to L. 4. Find x 3 of 75 5 5. State the gradient of the line with gradient y = 4. 6. Write 60% as a fraction in its simplest form. 7. If x = 4 3 and y = 3 3 find the value of xy2 8. Solve the equation x(x+1) = x2 + 10x + 18 a 9. The point (4,2) lies on the curve with equation y 2 x Find the equation of the curve. 10. Evaluate 8.4 – 11.2 – (-7.8) 11. Factorize fully x4 – 9x2 12. Remove the brackets (x + 1)(x2 – x - 3) Question 1 Solutions – Test 34 1 – 1/x 2 3 4 5 5√3 L=(P-2B)/2 45 m=0 6 7 8 3/5 108√3 x = -2 32 x2 5 x2(x+3)(x-3) x3 – 4x - 3 9 10 11 12 Non Calculator – Test 35 1. The rectangle shown has a perimeter of 70 cm. Make an equation and find x. x 2. Factorize fully 8x2 +2x – 15 2x+5 3. Find 75% of £360 4. Simplify the expression 5. Write as a single fraction x 2 36 x 2 6x 4 3 x x 1 6. If f(x) = x2 – 5x –6 , find the value of f(-3). 7. Write 12 as a surd in its simplest form with a rational denominator. 20 8. Find the gradient of the straight line shown. (0,6) 0 (16,0) 9. y varies directly as the cube of x and y = 64 when x = 4. Find an equation connecting x and y. Find y when x = 6. 10. Simplify (2y3x4)3 11. Solve the equation x2 = 6x 12. Multiply out the brackets and simplify (3 2 +1)(2 2 + 1) Question 1 2 3 4 Solutions – Test 35 x = 10 (4x-5)(2x+3) ₤270 5 x6 x x4 x( x 1) 6 18 7 8 9 10 6√5/5 -3/8 y = x3 , y = 216 8y9x12 11 12 x=0,6 13 + 5√2 Non Calculator – Test 36 1.5 1. Write down the equation of the trig. function shown in the diagram. 360º 90º -1.5 1 2. If A is an acute angle and tanA = 3 , find the exact value of cosA , giving your answer as a surd with a rational denominator. 2 x 3. Simplify the fraction x2 x 6 4. Find the exact value of cosA in the diagram shown. 5 4 5. If f(x) = x3 -7 and f(t) = 57, find t. A 1 2 6. If x = 49 and y = 9 , find the exact value of x y 3 2 7. Find x if x + y = 17 and x – y = 8. 8. Find the equation of the line shown in the diagram. y (-2,0) x (0,-1) 1 2 1 2 1 2 9. Simplify the expression shown x (4 x 2 x ) evaluate this expression when x = 3. 10. Find 125% of 40 1 2 1 1 3 7 11. Evaluate 1 2 12. If f(x) = x and f(t) = 1 , find t. 2 x 1 . Hence Question 1 2 3 4 5 6 7 8 9 10 11 Solutions – Test 36 1.5sinx 3/√10 x/(x+1) 1/8 t=4 189 x = 12·5 y = -0·5x - 1 4x – 2 ; 10 50 12 t=1 1 5 6