Polynomials GCF

What is the Greatest Common Factor of the following polynomial?
12t³ + 30t² + 48t

• 12t
• 6t³
• 6t
• 12t³

What is the GCF of 18k and 15k³

• 3k²
• 3k³
• 3k
• 5k

Factor:

56a³-8a

• 8a²(56a³-8a)

• 8a(7a²-1)

• 8a(7a³-a)

• 8a²(35a²-a)

Factor:
 2n²-8n³

• 2n²(n-4n²)
• 2n²(1-4n)
• 2n³(10-8n²)
• 3n(1-4n)

Factor:
2n³+16n+12

• 2n(n³+24n+6)
• 2(n³+8n+6)
• 2n(n³+8n+6)
• 3(n³+8n+6)

Factor
12x + 9

• 3(4x + 3)
• x(12+9)
• 3(4x - 3)
• not factorable

Tags

CCSS.7.EE.A.1

What is the GCF? 5x²+20x

• 5
• x
• 5x
• 20x

8r³ + 16r²

• 4r²(2r + 4)
• 8r²(r + 2)
• 8(r³ + r²)
• 4(r³ + 2r²)

−28a⁶ +20a⁴ −40a³
Find the GCF
(greatest common factor) 

• 4a²
• 4a³

Factor the GCF
10x² + 15x-5

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