Factoring Polynomials #2

Factor Completely:
10x²+11x-8

• (5x+8)(2x-1)
• (5x-8)(2x+1)
• (5x+2)(2x-4)
• (2x+8)(5x-1)

Factor Completely:
16x²+56x+49

• (4x-7)(4x+7)
• (4x-7)(4x-7)
• (4x+7)(4x+7)
• (8x+49)(2x+1)

Tags

CCSS.HSA.APR.C.4

Factor by Grouping:
11m³-6m²+11m-6

• (m²-1)(11m+6)
• (m²+1)(11m-6)
• (11m²+1)(m-6)
• (m²-1)(11m-6)

Factor Completely:
x²-5x-14

• (x-9)(x+5)
• (x-14)(x+1)
• (x+7)(x-2)
• (x-7)(x+2)

A square has an area of 4x²+36x+81.  How long is each side in terms of x?

• (2x+9)²
• (4x+9)
• (2x+9)(2x+9)
• (2x+9)

Tags

CCSS.HSA.APR.C.4

9f³d⁵-15f²d⁹

• 3f(3f²d⁴-5fd⁸⁾
• 3f²d³(3fd²-5d⁶)
• 3f²d⁵(3f-5d⁴)
• 3f²d⁵(3f-5d)(1+d³)

Factor Completely:
4x³+14x²-30x

• (4x²-6x)(x+5)
• (2x-3)(2x²+10x)
• 2x(2x+3)(x-5)
• 2x(2x-3)(x+5)