Evaluating Expressions with Substitution

Evaluate Expressions Introduction

• Substitute the given value for the variable

Multiple Choice

3u + 12
u = 7

• 33
• 34
• 35
• 23

Multiple Choice

4y – 5
y = 6

• 12
• 13
• 19
• 34

Multiple Choice

r(r – 9)
r = 11

• 12
• 22
• 44
• 99

Multiple Choice

Evaluate expression x=7, y=15, z=8

9y ÷ (2x+1)

• 9

• 3

• 34

• 15

Multiple Choice

Evaluate expression if a=3 and b=4

4b-5a

• 2

• 1

• -8

• 8