SF7 Unit 4 Test Review

Solve for x
 $\frac{x}{5}$  = -5

• -25

• -1

• 1

• 25

 $\frac{2}{3}$ x + 4 = 20

• 36

• 26

• 24

• 8

Ms. Warren has so many followers on Instagram. She has 6 less than twice as many as I do! What expression represents the amount of followers she has?

• x - 6

• 6x - 2

• 2x + 6

• 2x - 6

Solve for x

-2x + 7 = 21

• -14

• -7

• 7

• 14

Solve for x

4(x - 8) = 24

• 28

• 14

• 12

• -2

Solve for x

 $\frac{x}{8}$  - 4 = 12

• 1

• 2

• 64

• 128

Solve for x

-10x - 40 = -20

• 6

• 2

• -2

• -6

Mark earns $30 a week walking his neighbors dog. Which inequality can be solved to find the number of weeks he needs to work to have enough money to buy a new $400 Xbox?

• 30 + w $<$ 400

• 30w $<$ 400

• 30w $\ge$ 400

• 30 + w $\ge$ 400

John had received $150 for his birthday. He is so generous that he gave $40 to each of his favorite three charities. How much money does he have left?

• $270

• $190

• $110

• $30

Dianne went bowling with her friends. She rented shoes for $3 and then played a bunch of games. If each game costs $4, and she spent a total of $19, which equation can we use to determine how many games she played?

• 3g + 4 = 19

• 3g + 4g = 19

• 3 + 4 = 19g

• 3 + 4g = 19