Factoring Polynomials Review

Factor using the GCF.
 $3x^2-12x$  

•  $3x\left(x^2-4x\right)$  
  

•  $3x\left(x-4\right)$  
  

•  $x\left(3x-12\right)$  

•  $3\left(x^2-12\right)$  

Factor using GCF

8x³ + 18x.

• 2x(4x² + 9)

• 8x(x² + 10)

• 2(4x³ + 9x)

• 8(x³ + 10x)

Factor
k² - 2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Factor
3x² + 5x - 12.

• (x + 3)(3x - 4)
• (3x + 4)(x - 3)
• (3x + 3)(x - 4)
• (3x - 3)(x + 4)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor completely.

2x² + 13x + 15

• (2x + 1)(x + 15)

• (x + 3)(x + 5)

• (2x - 3)(x - 5)

• (2x + 3)(x + 5)

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.SSE.A.2

Which of these is one factor of 6x² + 25x - 9?

• (2x - 9)

• (2x + 9)

• (6x - 3)

• (3x - 8)

Which of these is one factor of x² + 7x - 30?

• (x - 6)

• (x + 5)

• (x + 10)

• (x - 10)

Find the zeros using factoring.

k² + 8k + 12

• -2, 2

• -2, 4

• 2, 3

• -2, -6

Find the zeros by factoring and solving

x² + x - 6

• {-2, 3}

• {-2, -3}

• {2, -3}

• {-2}

Find the zeros of the quadratic function by factoring:

x² -6x + 8

• 2, 4

• -2, -4

• -2, 4

• 2, -4