Factoring GCF, Grouping, trinomials pt1

Factor Completely
16x²-32x

• 8x(2x-4)
• 16(x²-2x)
• 16x(x-2)
• Prime

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:
10a⁴+16a+10a²

• 2a(5a³⁺8+5a)
• 2a⁴(5a+8a²+5a³)
• 2a⁴(10+16a+40a²)
• 3a³(5+8a+a²)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor by Grouping:
7r³-8r²+42r-48

• (r²+6)(7r+8)
• (r²+6)(7r-8)
• (r²+6)(r²+8)
• (r²+6)(7r+6)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor by Grouping:
20x³-25x²+4x-5

• (5x²-5)(4x+1)
• 5(x²-1)(4x+5)
• (5x²+1)(4x-5)
• (5x²+1)(4x-1)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

Factor by Grouping:
30x³+15x²-18x-9

• (5x²-3)(6x+1)
• (5x²-3)(6x+3)
• 3(5x²+3)(2x-1)
• 3(5x²-3)(2x+1)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor this trinomial:
x²+10x+16

• (x+2)(x+8)
• (x-2)(x-8)
• (x+1)(x+16)
• (x+6)(x+10)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor this trinomial:
k² - 2k - 24

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

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor this trinomial:
x² - 5x - 36

• (x - 4)(x + 9)
• (x - 6)(x + 6)
• (x + 4)(x - 9)
• (x -12)(x + 3)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is a method of checking your work when factoring?

• FOIL
• asking the teacher every time
• assume you're correct
• division

Tags

CCSS.HSA.APR.B.2

Factor:
x² + 2x - 24

• (x - 6)(x + 4)
• (x + 6)(x + 4)
• (x - 6)(x - 4)
• (x + 6)(x - 4)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3