Factoring Quadratics

Factor using the GCF 4x³ – 2x² – 8x.

• 2x (2x² - x - 4)

• 2x (2x - x - 4)

• 2 (2x³ - x² - 4x)

• -2(2x³ + x² + 4x)

Which expression is a factor of 2x² - 3x + 1

• x + 2

• x - 1

• 2x + 1

• None of these

Which expression is a factor of 2x² - 5x - 3

• x + 3

• 2x + 1

• 2x - 3

• None of these

Which expression is equivalent to -10x² - 7x + 12

• -1(2x+3)(5x+4)

• -1(2x-3)(5x+4)

• -1(2x+3)(5x-4)

• -1(2x-2)(5x+6)

Which expression is equivalent to x²-4x-21

• (x-7)(x+3)

• (x+7)(x-3)

• (x+7)(x+3)

• (x-7)(x-3)

Factor 9x²-24x+16

• (3x+4)(3x-4)

• (3x-4)²

• (3x+4)²

• The expression is prime

Which of the following is a factor of 3x² -14x -6?

• x + 5

• 3x + 1

• 3x - 1

• none of these

Which expression is equivalent to 2x² +4x + 3

• (2x+ 1)(x+3)

• (2x+1)(x-3)

• (2x-1)(x+3)

• none of these

Which expression is a factor of 16x²-25

• (2x-5)

• (4x-5)

• (4x-25)

• (2x-25)

What are the factors of 4x²-49

• (4x +7) (4x-7)

• (2x-7)(2x + 7)

• (2x-7)²

• This expression is prime