Factoring GCF with Spiral Review

What is the GCF? 2x²-4x+8

• 2x
• 2
• x
• 1

What is the greatest common factor of the three terms in the expression?
24m³n⁵p + 6mn⁴p² + 4mn⁵

• 2mn
• 24mn⁴
• 2mn⁴
• 2mn⁴p

Factor:
56a³-8a

• 8a²(56a³-8a)
• 8a(7a²-1)
• 8a(7a³-a)
• 8a²(35a²-a)

Factor:

5k³ + 7k² + k

• 5k(k² +2k + 1)

• 7k(5k² +k + 1)

• k(5k² + 7k + 1)

• 5k³ + 7k² + k

Factor:
2n³+16n+12

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

Simplify. Write your answer in standard form. 
(2x²-4y+7xy-6y²) - (-3x²+5y-4xy+y²)

• -5x² + 9y - 11xy + 7y²
• -x² + y + 3xy - 5y²
• -x² - 9y + 11xy - 7y²
• 5x² - 9y + 11xy - 7y²

(x + 5)²

• x² + 25
• x² + 10x + 25
• x² + 10 x + 10
• x² + 10

(3x + 1)(3x - 1)

• 9x² + 1
• 9x² - 1
• 9x² + 6x - 1
• 9x² - 6x - 1

Multiply  7x²y³ (2x⁴y⁵+6xy³)

• 14x⁸y¹⁵+42x²y⁹
• 9x⁶y⁸+13x³y⁶
• 14x⁶y⁸+42x³y⁶
• 14x⁶y⁸+42x²y⁶

Add the polynomials.

(2xy - 3x² + 4y - 5) + (-3xy + 4y² - 3y + 8)

• -1xy - 3x² + 4y² + 1y + 3

• -1xy + 1x² + 1y + 3

• -1xy + 1y² + 1y + 3

• 1xy + 3x² + 4y² + 1y + 3

• None of these