3-5 Evaluate Expressions

An expression does not have an equal sign.

• True

• False

4y – 5
y = 6

• 12
• 13
• 19
• 34

Evaluate 8a - b     if a = 10   and   b = 6

• 74
• 38
• 1000
• 9000

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20
• 24
• 44
• 4

6a - 3d
when a = 1, d = 2

• 3
• 12
• 1
• 0

b² + 4
when b = 3

• 10
• 12
• 13
• 11

(s – 5)² 
s = 13 

• 34
• 64
• 144
• 16

4(t – 2) + 3
t = 10

• 35
• 24
• 12
• 36

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7

Evaluate each expression if x = 14 and y = 6

(x + y) ÷ 2 = _______

• 10

• 20

• 22

• 40