Review of Unit 7

What are the factors of

x² + 7x - 30

• (x + 10)(x - 7)

• (x - 10)(x + 3)

• (x + 10)(x + 3)

• (x + 10)(x - 3)

What are the factors of

x² -16x + 48

• (x - 12)(x - 4)

• (x + 6)(x - 8)

• (x + 12)(x - 4)

• (x -16)(x - 3)

Which expression is a factor of

x² - 8x - 128

• (x + 16)

• (x - 16)

• (x - 8)

• (x + 4)

Factor
-10xy⁹z + 8y³z⁵

• 2y⁴z(-20xy⁶ + 4z⁴)
• 2y³z(-5xy⁶ +4z⁴)
• 2y³z(-5xy⁶z + 4z⁵)
• 2y³z(-5xy⁶z + 8z⁴)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

If 8a is one factor of 56a³-8a, what is the other factor?

• (56a²-8)

• (7a²-1)

• (7a³-a)

• (35a²-a)

Factor Completely: 
2k²-14k-60

• 2(k-10)(k-3)
• Not Factorable
• (k-5)(k+9)
• 2(k-10)(k+3)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

Factor Completely:

4x² + 8x - 60

• (4x-12) (x+5)

• (4x+20) (x-3)

• 4(x-3) (x+5)

• PRIME

Factor:

3x(x+1) + 4(x+1)

• 12x(4x+1)

• (3x+4)(x+1)

• 3x²+7x+2

• 7x+x+1

Factor:

2x(5x - 3) - (5x - 3)

• (2x - 1)(5x - 3)

• (2x)(10x - 6)

• 2x(25x² - 9)

• (5x-3)² (2x)

When factoring

6xy - 8x + 15y - 20

What is the first step?

• Write the answer as the product of two binomials

• Group the first two terms together and factor out the GCF

• Write the expressions in a different order

• Factor x out of each of the four terms