Factoring and Solving Polynomials Quiz

Factor:
8r³ - 64r² + r - 8

• (r - 8)(8r² + 1)
• (r + 1) (8r +1)
• (r - 1)(8r + 1)
• (r + 8)(8r² + 1)

Factor completely 3x² + 9x

• (3x - 3)(x - 3)

• (3x + 3)(x + 3)

• 3(x² + 3)

• 3x(x + 3)

Factor x³-8

• (x-2)(x²+2x+4)
• (x-2)(x²+2x+2)
• (x-2)(x²-2x+4)
• (x-2)(x²+2x-4)

Factor:  27x³ + 8

• (3x + 2)(9x² - 6x + 4)
• (9x + 2)(3x² + 18x + 4)
• (3x²+4)(9x + 2)
• (27x + 8)(x² - 216x + 64)

Tags

CCSS.HSA.APR.C.4

Factor Completely:

k⁴ - 10k² - 39

• (k² - 13)(k² + 3)

• (k - 13)(k + 3)

• (k² + 15)(k² - 3)

• (k + 13)(k - 3)

Tags

CCSS.HSA.APR.C.4

Factor Completely:

256x⁴ - 81

• (16x² + 9)(16x² - 9)

• (16x² + 9)(4x + 3)(4x - 3)

• (4x² + 9)(4x² - 9)

• (16x² + 9)(2x + 6)(2x -6)

Tags

CCSS.HSA.APR.C.4

Classify the following polynomial

• quartic binomial

• quadratic binomial

• quartic trinomial

• quadratic trinomial

FInd all zeros for the polynomial
f(x) = x⁴+8x²-9

• -1, ⅓, ±3i
• ½, -1, ±3i
• 1, -1, ±i√11
• 1, -1, ±3i

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

CCSS.HSN.CN.C.8

Solve b²+25b=0

• b= 0 and b = 25

• b= 0 and b= -25

• b= -5 and b= 5

• b=5 an b=-2.5

Solve x⁴ - 256 = 0

• x = 4, x = - 4
• x = 4, x = 4i
• x = 4, x -4, x = 4i
• x = 4, x -4, x = 4i,         x = -4i

Tags

CCSS.HSA-REI.B.4B