Download evaluating algebraicexpressions

Evaluating Algebraic
Expressions
E.Q. How do I evaluate algebraic
expressions?
Step 1: Write down the question
Step 2: Plug in the numbers
Step 3: Use PEMDAS
Work downward, showing every step!
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
2
Find the value of a -b if a=3 and b=-
4.
Problem 4
2
Find the value of 5x if
x=-3.
Problem 5
If a=1 and b=-2, find the value of
2
(a+b) .
Problem 6
2
Using the formula V=x h, find V
when x=6 and h=2
Problem 7
2
Evaluate the expression (6a) b if
a=2 and b=-1
Problem 8
Find the value of 3a-4b if a=-2 and
b=1.
Problem 9
2
Find the value of (x -5x+4) if x=7.
Problem 10
2
Evaluate 5a -b if a=-2 and b=3.
Problem 11
3
Find the value of the expression 3x
when x=-2
Problem 12
2
What is the value of R S if R=5 and
S=-2.
Problem 13
2
Evaluate the expression 3x +y if
x=1 and y=-3.
Problem 14
Find the value of the expression
3
2xy if x=3 and y=-2
Problem 15
If x=-3 and y=2, find the value of
2
(xy) .
Problem 16
2
Evaluate the expression 3x +y if
x=1 and y=-3.
Problem 17
If x=3 and y=-2, find the value of
2
4xy .
Problem 18
2
Find the value of 3(ab) if a=2 and
b=-1.
Problem 19
2
Find the value of 2x y if x=3 and
y=-1.