Algebraic Expressions Evaluating Giving Variables

Evaluate m - n if m = 29 and n = 11

• 29

• 18

• 11

Which of the following expressions contains a variable?

• 7+3

• 144÷12

• 7 + 15n

• 6(5)

Evaluate m² if m = 7.

• 14

• 49

Evaluate n³ if n = 5.

• 15

• 125

Evaluate 7a - 6 if a = 3.

• 15

• 67

Evaluate 9b + 15 if b = 3.

• 42

• 108

Evaluate 3m if m = 4.

• 3

• 5

• 12

• 15

Evaluate 16 – x at x = 5.

Evaluate 3n at n = 11.

Evaluate the expression below for h=7.

• 21

• 37

• 4

• 14