Transcript No Slide Title

ALGEBRAIC SUBSTITUTION
Step 1 Write down the question
Step 2 Plug in the numbers
Step 3 Use BODMAS
Work down, Show all steps
Problem 1
Given the formula P=K2W, find the
value of P if K=5 and W=-3.
Problem 2
If V=lwh, what is the value
of V when l=2, w=3, and
h=4x?
Problem 3
If x=1 and y=-2, which
expression has a value of
3?
(1)x=y
(2)x-y
(3)xy
(4)y-x
Problem 4
If a=1 and b=-2, find the
2
value of (a+b) .
Problem 5
Using the formula V=x 2h,
find V when x=6 and h=2
Problem 6
Evaluate the expression
2
(6a) b if a=2 and b=-1
Problem 7
Find the value of 3a-4b if
a=-2 and b=1.
Problem 8
Find the value of
if x=7.
2
(x -5x+4)
Problem 9
Evaluate
b=3.
2
5a -b
if a=-2 and
Problem 10
Find the value of the
3
expression 3x when x=-2
Problem 11
What is the value of
R=5 and S=-2.
2
RS
if
Problem 12
Evaluate the expression
2
3x +y if x=1 and y=-3.
Problem 13
Find the value of the
3
expression 2xy if x=3 and
y=-2
Problem 14
Find the value of
x=-3.
2
5x
if
Problem 15
If x=-3 and y=2, find the
2
value of (xy) .
Problem 16
Evaluate the expression
2
x +3y if x=-2 and y=-3.
Problem 17
If x=3 and y=-2, find the
2
value of 4xy .
Problem 18
Find the value of
a=2 and b=-1.
2
3(ab)
if
Problem 19
Find the value of
x=3 and y=-1.
2
2x y
if
Problem 20
Find the value of
a=3 and b=-4.
2
a -b
if