5.5 Factoring and Solving Polynomials

• 3

• 8

• 5

• 12

What is a degree-2 polynomial known as?

• quintic polynomial

• linear polynomial

• cubic polynomial

• quadratic polynomial

What is a degree-3 polynomial known as?

• quintic polynomial

• quartic polynomial

• cubic polynomial

• quadratic polynomial

• 13

• 20

• 101

• 7

Tags

CCSS.HSN.CN.C.9

Factor by grouping:

5n³-10n²+3n-6

• (5n²+3)(n-2)

• (5n³+3)(n-2)

• (5n²-3)(n-2)

• 10n(n²-6)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

Factor x³ – 2x – 4x² + 8 by grouping. Remember to look for Standard Form, then for common factors.

• x³ - 4x² - 2x + 8

• (x – 4)(x² – 2)

• (x – 2)(x² – 4)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

Factor:
 2n²-8n³

• 2n²(n-4n²)
• 2n²(1-4n)
• 2n³(10-8n²)
• 3n(1-4n)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor by grouping:
3x³-x²+6x-2

• (x²+2)(3x+1)
•  (x²+2)(3x-1)
• (3x³+6x)(x²-2)
• none of the aboe

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

• No solution

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

If the zeros of f(x) = 5, 10, -13, then the factors of f(x) are:

• (x + 5)(x + 10)(x - 13)

• (x - 5)(x - 10)(x + 13)

• (x + 5)(x - 10)(x + 13)

• (x - 5)(x - 10)(x - 13)

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3