Warm-up for L9 U3P2

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

What is the GCF of 18k and 15k³

• 3k²
• 3k³
• 3k
• 5k

GCF of 2x + 8x

• 2
• 2x
• x
• 8

Tags

CCSS.7.EE.A.1

Factor
x² + 9x - 36

• (x + 12)(x - 3)
• (x + 9)(x - 4)
• (x - 12)(x + 3)
• (x - 9)(x - 4)

Factor
k² - 2k - 24

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

Factor: x² + 24x + 144

• (x + 12)²
• (x + 9)²
• (x + 15)²
• (x + 13)²

Tags

CCSS.HSA.APR.C.4

Find the factors of x² - 144. Select all that apply.

• (x + 12)(x + 12)

• (x - 24)(x + 24)

• (x + 12)(x - 12)

• (x + 24)(x - 24)

• (x - 12)(x + 12)

Tags

CCSS.HSA.APR.C.4

Factor 9c² - 100.

• (c - 10)(c + 10)

• (3c - 10)(3c + 10)

• (9c + 100)(9c - 100)

• (9c - 10)(9c + 10)

Tags

CCSS.HSA.APR.C.4