7.1 - 7.5

Use a factor tree to find the prime factorization of 45

• 3 x 3 x 5

• 3 x 4 x 5

• 2 x 3 x 8

• 5 x 9

• 3 x 15

Tags

CCSS.4.OA.B.4

Use a number tree to find the prime factorization of 42

• 3 x 4 x 4

• 6 x 7

• 2 x 3 x 7

• 2 x 21

What is the GCF? 5x² and 20x

• 5

• x

• 5x

• 20x

• 4x

What is the GCF of 18k and 15k³

• 3k²

• 3k³

• 3k

• 5k

• 3

Factor:
24c⁵ - 12c³

• 6(4c⁵ - 2c³)
• 12c³(2c²)
• 12c³(2c² - 1)
• 12c³(2c² - 0)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:
10x + 15

• 100x + 150
• 10(x + 5)
• 1(10x + 15)
• 5(2x + 3)

Tags

CCSS.7.EE.A.1

Factor
18a²b⁴c + 24ab³c²

• 6ab³c(3ab + 4c)
• 3abc(6ab³ + 8b²c)
• 6abc(3ab³ + 4c)
• 6ab3c(3b + 4c)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor
5ab²c¹¹ + 2bc⁵

• bc⁵(5ab²c⁶ + 2b)
• bc⁵(5abc⁶ + 2)
• b²c⁵(5bc⁶ + 2)
• c4(5a²b²c⁷ + 2bc)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor completely.

k² -2k - 24

• (k+4)(k-6)

• (k+4)(k+6)

• (k-4)(k-6)

• (k-4)(k+6)

Factor completely: x²-13x+40

• (x-5)(x-8)
• (x+5)(x+8)
• (x-4)(x-10)
• (x-2)(x-20)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.B.3

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3