Factoring Review

Factor:
5x² - 28x + 32

• (3x-10)(x+6)

• (x-8)(5x-4)

• (5x-8)(x-4)

• (5x-8)(x+7)

Factor:
56a³ - 8a

• 8a²(56a³-8a)

• 8a(7a²-1)

• 8a(7a³-a)

• 8a²(35a²-a)

Factor:
18a² - 15a

• 15a(3a-1)

• 3a(6a-1)

• 3(6a-5)

• 3a(6a-5)

Factor: x² + 2x – 3

• (x - 2)(x + 1)

• (x + 1)(x - 3)

• (x + 2)(x - 1)

• (x - 1)(x + 3)

Factor:
81m² - 1 

• not factorable

• (m-9)(m+9)

• 9m(9m-1)

• (9m-1)(9m+1)

Factor:
 2m² + 3m - 9

• 2(m + 3)(m - 3)

• (2m - 3)²

• (m + 3)(2m - 3)

• (2m + 3)(m - 3)

Factor:
 2x² - 3x - 2

• (2x - 2)(x + 1)

• (2x + 1)(x - 2)

• (2x - 1)(x - 2)

• (2x - 1) (x - 1)

Solve n² - 2n = 0

• n = 2 and 0

• n = -2 and 0

• n = 2

• n = 0

The area of a rectangle is (6x²+7x+2) square inches and the length is (3x+2) inches. Which expression represents the rectangle's width?

• (2x+2) inches

• (2x-2) inches

• (2x+1) inches

• (2x-1) inches

A square has an area of 25x²+20x+4 square feet. Find the length of one side of the square.
HINT: Squares have equal sides

• (x+2) meters

• (x-2) meters

• (5x+2) meters

• (5x-2) meters