Unit 3 REview

What is the GCF of 18j²km and 15j³k³m⁴

• 3jk²m³

• 3jk³m

• 3j²km

• 5jkm

Factor 30-24x²

• 6(5-4x²)
• x(5-4x)
• 6(5x-4x²)
• 6(15-12x²)

Tags

CCSS.7.EE.A.1

Fully Factor the Following
25x²-81

• (5x-9)²
• (5x+9)(5x-9)
• 25(x-9)²
• (9x+5)(9x-5)

Tags

CCSS.HSA.APR.C.4

Fully Factor the Following

25x²-16

• (5x-4)(5x+4)

• (25x-4)(25x+4)

• (5x-4)²

• 5(x-4)(x+4)

***Always look for a GCF first, then see how it can be factored even more***

3x² - 75

• 3( x + 5 ) ( x - 5 )

• Prime

• ( x + 5 ) ( x - 5 )

• 3( x - 5 ) ( x - 5 )

Factor:
x² + 7x - 30

• (x + 10)(x - 7)
• (x - 10)(x + 3)
• (x + 10)(x + 3)
• (x + 10)(x - 3)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.REI.B.4

Factor
x² -16x + 48

• (x - 12)(x - 4)
• (x + 6)(x - 8)
• (x + 12)(x - 4)
• (x -16)(x - 3)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.B.3

Factor
9x²-6x-8

• (3x+2)(3x-4)
• (3x+2)(3x+4)
• (3x-2)(3x-4)
• (x-1)(9x+8)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

Factor Completely:  6x² + 5x - 6

• 6(x + 1)(x - 6)
• (6x + 6)(x - 1)
• (2x - 3)(3x + 2)
• (3x - 2)(2x + 3)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

What are the solutions to the quadratic?

• x = − 1 and x = 2

• x = 1 and x = − 2

• x = − 5 and x = 5

• x = 1 and x = 2

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4