Unit 1 Test Review: Equations & Inequalities

Which value is a perfect square?

• 75

• 121

• 98

• 45

Simplify the radical: √180

• 6√5

• 9√2

• 3√10

• 12√3

Write the expression below in simplest form: (72/12) * √3

• 6√3

• 12√3

• 3√6

• 9√2

Which is the smallest subset of real numbers that contains -√25?

• R

• Z

• Q

• N

Simplify: (2x + 3) - (5x - 7)

• -3x + 10

• 3x + 10

• -3x - 4

• 7x - 4

Part B: Evaluate and Simplify 6. Simplify: 4m² - 2(3m² - 5m)

• -2m² + 10m

• 10m² - 10m

• 4m² - 6m² + 10m

• -2m² - 10m

Evaluate if a = -2, b = 4, c = 6: (ab/c) + b²

• 14.66667

• 10.33333

• 18.125

• 8.375

Evaluate if x = 1/2, y = -3, z = 8: 3x - yz

• 25.5

• -23.5

• -24.5

• 24.5

Solve: 5x - 7 = 3x + 9

• x = 8

• x = 1

• x = -8

• x = 0

Solve: (2/3)(x - 6) = 8

• x = 18

• x = 12

• x = 6

• x = 24