Unit 2 Test Review (expressions, equations, and inequalitites)

Which phrase represents the expression 5x + 7?

• five times seven plus a number

• seven times a number plus five

• seven less than a number multiplied by five

• a number multiplied by five then added to seven

Which expression is equivalent to 12m + 2 + 6m - 6 - 3m?

• 9m

• 15m

• 15m - 4

• 15m + 8

• x = -75

• x = -3

• x = 3

• x = 75

Solve x + 4.8 = - 10.2

• 5.4

• -5.4

• 15

• -15

• x = 21/512

• 3/56

• 56/3

• 512/21

What is the value of x?

4x - 6 = 26

• 4

• 8

• 32

• 14

• 108/20

• 11/2

• 139/24

• 121/24

What is the value of y?

-3 ( y + 5) - 7 = 5

• -9

• 9

• -2

• -4

What is the value of y?

2y + 3 = 4y - 15

• -3

• 3

• 9

• -2

Which shows the solution to the inequality?

-3 + x > -18

• x < -15

• x > -21

• x < -21

• x > -15