Evaluating Expressions

Evaluate 4y  if       y = 3

• 7
• 12

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

• 20
• 24
• 44
• 4

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7

b² + 4
when b = 3

• 10
• 12
• 13
• 11

Evaluate the expression when
x =5    and   z = 4
z²  - 2x

• 6
• 2
• 17
• 26

evaluate bc + 5a  
when  a = 3, b = 4, and c = -6

• 9
• 38
• -38
• -9

In the order of operations, which one comes first?

• Exponents

• Addition

• Multiplication

Evaluate 3x - 7 if x = 6

• 9

• 11

• 29

• 25

x² - xy if x = 8 and y = -3

• 88

• 40

• -8

• -24

12x ÷ 4y if x = -8 and y = 3

• -8

• 72

• -72

• 8