Algebraic Ideas

Evaluate the expression:

m + n if m = 29 and n = 11

• 40

• 38

• 20

• 18

Evaluate the expression:

b + b + 3 if b = 9

• 14

• 29

• 32

• 21

Evaluate the expression:

c - 5 if c = 8

• 13

• 2

• 33

• 3

Evaluate the expression:

5m + 7 if m = 5

• 12

• 25

• 32

Evaluate the expression: 3b + 4c if b = 9 and c = 3

• 27

• 12

• 15

• 39

Evaluate the expression:

4w - 3y if w = 7 and y = 6

• 24

• 21

• 10

• 46

Name the variable: 20 - 2x

• 20

• 2

• x

• a

Evaluate the expression:

3h + 2 for h=10

• 20

• 32

• 24

• 38

A variable is a

• number

• letter that represents a number

Factor
10 + 15x

• 5(2 + 3x)

• 2(5 + 10x)