Evaluating Expressions
Presentation
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
Jennifer Wilson
Used 2+ times
FREE Resource
4 Slides • 3 Questions
1
By Jennifer Wilson
2
Evaluate = Find the number answer
You are given an expression and value for the variable:
5x - 10 + 0.5x2 + 35
when x = 4
Subject | Subject
Some text here about the topic of discussion
3
Plug in the given value...
5x - 10 + 0.5x2 + 35
5(4) - 10 + 0.5(4)2 +35
Replace each variable with parentheses
and put the given number inside
Subject | Subject
Some text here about the topic of discussion
4
5(4) - 10 + 0.5(4)2 +35
5(4) - 10 + 0.5(16) + 35
20 - 10 + 8 + 35
10 + 8 + 35 = 53
53
5
Multiple Choice
Evaluate 4x when x = 5?
6
Multiple Choice
Evaluate this expression when x = 8. 4−xx−8
Undefined
7
Multiple Choice
Evaluate the expression below when x = -4
-7x2 + 2x
104
-64
-120
120
By Jennifer Wilson
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