GCF, Basic Factoring and Solving

What is the GCF of 18k and 15k³

• 3k²
• 3k³
• 3k
• 5k

Tags

CCSS.HSA.SSE.A.2

What is the GCF of 10a²b³ and 20a²b²?

• 20a²b³
• 10a²b³
• 20ab²
• 10a²b²

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor out GCF:

56a³-8a

• 8a²(56a³-8a)

• 8a(7a²-1)

• 8a(7a³-a)

• 8a²(35a²-a)

Factor out GCF:

2n²-8n³

• 2n²(n-4n²)

• -2n²(4n²-1)

• 2n³(10-8n²)

• 3n(1-4n)

Factor out GCF:

80x⁵-70x²-60x⁷

• 2x²(80x³-70-60x⁶)

• 10x²(80x⁴-70x-60x⁶)

• 10x²(8x³-7-6x⁶)

• 3x²(80x³-40-60x⁵)

Factor out GCF:

4b⁵+4b³+16b²

• 4b³(b⁴+b²+4b)

• 4b³(b⁴+4b+5)

• 4(b⁵+b³+4b²)

• 4b²(b³+b+4)

Factor out GCF:

10x² + 15x-5

• 25(10x³+45x-15)

• 5(2x³ + 3x²-x)

• x(10x³+15x-5)

• 5(2x²+3x-1)

Given a quadratic in the form  $ax²-bx+c$  ,
then the factors will be...

• both positive

• both negative

• one positive and one negative, and the bigger factor will be negative

• one positive and one negative, and the bigger factor will be positive

Given a quadratic in the form  $ax²+bx-c$  ,
then the factors will be...

• both positive

• both negative

• one positive and one negative, and the bigger factor will be negative

• one positive and one negative, and the bigger factor will be positive

Given a quadratic in the form  $ax²+bx+c$  ,
 then the factors will be...

• both positive

• both negative

• one positive and one negative, and the bigger factor will be negative

• one positive and one negative, and the bigger factor will be positive