Solve Higher Degree Polynomials

Solve the following equation:
x⁴ + x² - 90 = 0

• 3, -3, ±√10

• 3, -3

• ±√10

• 3

Tags

CCSS.HSA-REI.B.4B

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Tags

CCSS.HSF-IF.C.7C

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4w⁴ + 16w² + 15

• (w² + 10)(w² + 6)

• (2w²+ 5)(2w² + 3)

• (w² + 15)(4w² + 1)

• (2w + 5)(2w + 3)

Tags

CCSS.HSA.APR.C.4

Factor completely:

x⁴-10x²+9

• (x-9)(x-1)

• (x²-9)(x²+1)

• (x-3)(x+3)(x²-1)

• (x+3)(x-3)(x+1)(x-1)

Tags

CCSS.HSA.APR.C.4

Factor Completely: x⁴-9x²

• x²(x+3)(x-3)

• (x²+3x)(x²-3x)

• (x²+9)(x-3)(x+3)

• x²(x²-9)

Tags

CCSS.HSA.APR.C.4

16x⁴ - 49

• (4x² - 7)(4x² + 7)

• (4x - 7)(4x + 7)

• (2x - 7)(2x + 7)(4x² + 7)

• cannot be factored

Tags

CCSS.HSA.APR.C.4

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 completely:
2x³ + 5x² - 8x - 20

• (x² - 4)(2x + 5)

• (2x - 5)(x² + 4)

• (2x² - 4)(x + 5)

• (x - 2)(x + 2)(2x + 5)

Find all zeros for the polynomial function P(x) = x³ -3x²-5x+15

• 3, √5 

• 3, √5, -√5

• -3, √5, -√5

• -3, 5i, -5i