Unit 4 Review [higher degree polynomials]

Find all the zeros of the polynomial. 

• A
• B
• C
• D

Fully Factor the Following
216x³+125

• 6(x+5)³
• (6x+5)³
• (6x+5)(6x²-30x+25)
• (6x+5)(36x²-30x+25)

Tags

CCSS.HSA.APR.C.4

Factor this difference of cubes:
x³ - 343

• (x + 7) (x² - 7x + 49)
• (x² + 1) (x - 343)
• (x - 7) (x² + 7x + 49)
• (x² - 343) (x + 1)

Tags

CCSS.HSA.APR.C.4

Factor by grouping:
4p³+8p²+3p+6

• (2p²+3)(p+2)
• (2p²+6)(p+4)
• (4p²+3)(p+2)
• (4p²+8p)(3p+6)

Factor: x⁴-5x²-36

• (x-3)(x+3)(x-2i)(x+2i)

• (x-3)(x+3)(x-2)(x+2)

• (x+3i)(x-3i)(x-2i)(x+2i)

• (x²+9)(x²-4)

Tags

CCSS.HSA.APR.B.3

Solve

x⁴ + 7x² - 30=0

Tags

CCSS.HSA-REI.B.4B

• y =  ^_(x + 2)(x - 1)²
• y = -(x - 2)(x + 1)²
• y = (x - 2)(x + 1)²
• y = -x³

• y = x(x - 3)(x - 2)
• y = x(x - 3)² (x+2)
• y = x(x + 3)² (x - 2)
• y = -x(x + 3)² (x - 2)

Tags

CCSS.HSA.APR.B.3

Is the leading coefficient positive or negative

• positive
• negative