Evaluating Algebraic Expressions
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Transcript of Evaluating Algebraic Expressions
Evaluating Algebraic Evaluating Algebraic ExpressionsExpressions
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
Find the value of a2-b if a=3 and b=-4.
Problem 4
Find the value of 5x2 if x=-3.
Problem 5
If a=1 and b=-2, find the value of (a+b)2.
Problem 6
Using the formula V=x2h, find V when x=6 and h=2
Problem 7
Evaluate the expression (6a)2b if a=2 and b=-1
Problem 8
Find the value of 3a-4b if a=-2 and b=1.
Problem 9
Find the value of (x2-5x+4) if x=7.
Problem 10
Evaluate 5a2-b if a=-2 and b=3.
Problem 11
Find the value of the expression 3x3 when x=-2
Problem 12
What is the value of R2S if R=5 and S=-2.
Problem 13
Evaluate the expression 3x2 +y if x=1 and y=-3.
Problem 14
Find the value of the expression 2xy3 if x=3 and y=-2
Problem 15
If x=-3 and y=2, find the value of (xy)2.
Problem 16
Evaluate the expression 3x2+y if x=1 and y=-3.
Problem 17
If x=3 and y=-2, find the value of 4xy2.
Problem 18
Find the value of 3(ab)2 if a=2 and b=-1.
Problem 19
Find the value of 2x2y if x=3 and y=-1.