Find GCF

What is the GCF of 20 and 30?

• 5
• 2
• 10
• 20

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

Factor by GCF:
6m² + 16m

• 2(3m² + 8m)
• 2m(3m + 8)
• 2m(3m - 8m)
• not factorable

What is the GCF of 18k and 15k³

• 3k²
• 3k³
• 3k
• 5k

Factor using the GCF method
4x + 6

• 4(x + 2)
• 2(2x + 3)
• 2(2x + 4)
• 4(x + 2/3)

Tags

CCSS.7.EE.A.1

What is the GCF of the trinomial?
3x² - 9x -120

• 3
• 2
• 6
• 9

Factor:
18a²-15a

• 15a(3a-1)
• 3a(6a-1)
• 3(6a-5)
• 3a(6a-5)

Factor
10x² + 15x-5

• 25(10x³+45x-15)
• 5(2x³ + 3x²-x)
• x(10x³+15x-5)
• 5(2x²+3x-1)

Factor:
80x⁵-70x²-60x⁷

• 2x²(80x³-70-60x⁶)
• 10x²(80x⁴-70x-60x⁶)
• 10x²(8x³-7-6x⁶)
• 3x²(80x³-40-60x⁵)

Factor
4b⁵+4b³+16b²

• 4b³(b⁴+b²+4b)
• 4b³(b⁴+4b+5)
• 4(b⁵+b³+4b²)
• 4b²(b³+b+4)