Unit 8 Review

Find the difference of (4x³ - 7x) and (12x - 3x²)

• 4x³ - 3x² + 5x

• 4x³ + 3x² - 19x

• 7x³- 4x² + 5x

• 7x³ + 3x² -19x

Find the sum of (-x +4) and (-14x² + 12x - 9)

• 14x² + 11x +13

• 14x² + 13x - 5

• -14x² + 13x +13

• -14x² + 11x - 5

Find the product of (x +4) and (x - 6).

• x² + 2x - 24

• x² + 2x + 24

• x² - 2x - 24

• x² - 2x + 24

Factor the following Polynomial completely x² + 6x +8

• (x + 2) (x + 4)

• (x - 2) (x - 4)

• (x + 3) (x + 2)

• (x -3) (x - 2)

Factor the following polynomial completely 4x² - 16x - 20

• 4( x- 5 ) (x + 1)

• (4x - 1) (x - 10)

• (4x + 1) (x -10)

• 4 (x - 10) (x - 2)

In which of the following is 3y² - 75 factored completely?

• 3( y² - 75 )

• 3y² - 75

• 3(y - 5) (y + 5)

• 3( y² - 25)

In which of the following is 12x³ - 10x² + 6x -5 factored completely?

• 2x²(6x - 5)

• (12x³ - 10x²) (6x - 5)

• 12x³ - 10x² + 6x - 5

• (2x² + 1)(6x -5)

Which of the following are the solutions to the polynomial equations 3x² - 6 = - 7x

Select all that apply.

• 2/3

• -2/3

• 3

• -3

• 0

Evaluate the polynomial -4x² + 5x - 7 for x = -3

• -122

• 44

• -58

• 14

Solve the polynomial (x - 7)(4x - 3) = 0

Select all that apply

• 7

• -7

• -3/4

• 3/4

• 0