Foil and GCF review

Factor:
 2n²-8n³

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

Factor
10x² + 15x-5

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

What is the greatest common factor of 48x²and 32x³?

• 8x²
• 16x²
• 16x
• 96x³

What is the greatest common factor of 28y²and 49y²?

• 7y
• 21y²
• 196y²
• 7y²

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

• 4x

• 6x

• 2x

• x

What is 144x³ written in prime factorization form?

• 12*12*x*x*x

• 2*2*2*2*3*3*x*x*x

• 2*2*2*3*3*3*x*x*x

• 2*2*12*x*x*x

What is the greatest common factor of 42xy² and 28x³y?

• 84x³y²
• 14y
• 14xy
• 14xy²

   6m² + 16m

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

(x + 7)(x + 9)

• x^2 + 63x + 16

• x^2 + 16x + 63

• x^2 + 79

• x^2 + 16x + 2

(x + 5)(x + 4)

• x^2 + x + 20

• x^2 + 20x + 9

• x^2 + 9x + 20

• x^2 - 9x + 54