Factoring GCF and Polynomials

What is the GCF of 28ab and 42b?

• 4b

• 6b

• 7b

• 14b

Factor by using GCF:

6m² + 16m

• 2(3m² + 8m)

• 2m(3m + 8)

• 2m(3m - 8m)

• Prime

Factor the GCF
10x² + 15x-5

• 25(10x³+45x-15)

• 5(2x³ + 3x²-x)

• x(10x³+15x-5)

• 5(2x²+3x-1)

What is the GCF of 18k and 15k³?

• 3k²

• 3k³

• 3k

• 5k

Factor using GCF

• 4 (4x² - 5xy)

• 4x (4x - 5y)

• 4x² (4 - 5y)

• 2(duck)

Factor using GCF

12x + 9

• 3(4x + 3)

• x(12+9)

• 3(4x - 3)

• not factorable

What is the greatest common factor of 30x and 56x²

• 4x

• 6x

• 2x

• x

6x⁵y⁴+24x⁶y²-36x³y^{3
Find the GCF}

• 6x³y²

• 6xy

• 6x

• 6y

What is the GCF of 20, 44, and 88?

• 4

• 2

• 22

• 1

Factor x² – 16.

• (x + 2)(x – 8)

• (x – 4)(x – 4)

• (x + 4)(x + 4)

• (x + 4)(x – 4)