Expressions and Equations Final Review

• 20

• 22

• 24

• 28

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

• 3
• 12
• 1
• 0

Mrs. Bembry puts $10 in a savings account each month and an extra $20 when she receives money for her birthday. If her birthday was this week, which expression represents the amount she has saved this year?

• 20m + 10

• 20m - 10

• 10m - 20

• 10m + 20

Oscar bought n ride tickets at the carnival. Esther bought 4 times as many ride tickets as Oscar. Which expression represents the total number of ride tickets that Oscar and Esther bought?

How many coefficients are in 12x + 7y - 2

• 1
• 2
• 3
• 4

What are the variables in the following expression: 3z + 4x - 1 + 7y

• 3, 4, 1 and 7
• z, x and y
• + and -
• 15

• 7

• 2

• x

• 5

• 1

• 2

• 3

• 4

Which equation shows the distributive property?

• 8 + (9 + 2) = (8 + 9) +2

• 6(4+2) = 6x4 +6x2

• 8 x 3 = 8 + 8 + 8

• 6 x 2 = 2 x 6

Simplify: 6x + 12x + 3 y

• 21x

• 18x + 3y

• 72x + 3y

• 6x + 15y