Solving Quadratics by Factoring

What is the GCF of 18k and 15k³

• 3k²
• 3k³
• 3k
• 5k

What is the greatest common factor of the monomials a²b⁵ and a³b³

• a²b³
• a²b⁵
• a³b³
• a³b⁵

Factor
12x + 9

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

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
x²+12x+35

• (x+5)(x+7)
• (x+4)(x+3)
• (x+7)(x-5)
• Prime

Factor
x² - 9x + 20

• (x - 10)(x - 2)
• (x - 20)(x - 1)
• (x - 10)(x + 2)
• (x - 5)(x - 4)

Factor
k² - 2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

Factor:

x² + 9x − 36

• (x + 12)(x − 3)

• (x + 9)(x − 4)

• (x − 12)(x + 3)

• (x − 9)(x − 4)

Factor
d² - 10d + 25

• (d + 5) (d - 5)
• (d - 15) (d + 10)
• (d + 5) (d - 20)
• (d - 5) (d - 5)