Unit 1. Equations and Inequalities Test

Simplify an expression for the model below.

• 5x + 3.5

• -2x - 2

• 4x + 12

• 2x + 6

Which gives a simplified expression for the area of the rectangle?

• 5x + 3.5

• 5x + 8.75

• 4x + 12

• 2x + 6

Four students were given the expressions to simplify as shown. Which statement is NOT true?

• Frank’s expression simplifies to -6x + 14.

• Henry’s expression simplifies to 19 – 10x.

• Anthony’s expression simplifies to 3x + 4.

• Sean’s expression simplifies to 7x + 32.

Which value of n makes the equation true? 7.9n + 9 – 4.4n = 17.4

• n = 3.9

• n = 7.5

• n = 2.4

• n = 1.4

Which of the following represents the variables of the equation collected on one side of the equation and the constants collected on the other?

-24x + 13 = -48x – 59

• 70x = -46

• 70x = 46

• 24x = 72

• 24x = -72

What is the solution set for the inequality?

-4x + 11 > 8x + 59

• x < 4

• x > -4

• x < -4

• x > 4

Solve the equation below.

-2.2(10 - 5a) = -4a - 82

• a = 2

• a = -2

• a = 4

• a = -4

Which of the following is a solution to the inequality? 44 - (x + 12) ≤ 4(4x + 9) - 15x

• x = 1

• x = -7

• x = -11

• x = -3

Solve the equation.

-3 - 1.5(2c + 4) = 3 (-3 - 5c)

• All real numbers

• No solution

• c = -12

• c = 0

Danny solved the inequality as shown. Which best describes Danny's mistake?

• Danny distributed incorrectly.

• Danny combined like terms incorrectly.

• Danny did not make a mistake.

• Danny should not have flipped the inequality sign.