Sum/Difference of Cubes

Factor: 8x³ - 1

• (2x - 1)(4x² + 2x + 1)
• (2x + 1)(4x² - 2x + 1)
• (2x - 1)(4x² - 2x - 1)
• (2x + 1)(4x² +2x + 1)

Tags

CCSS.HSA.APR.C.4

Factor
27x³-64

• (3x-4)(9x²+12x+16)
• (3x-4)(9x²-12x+16)
• (3x+4)(9x²-12x+16)
• (3x+4)(9x²+12x+16)

Tags

CCSS.HSA.APR.C.4

Complete the formula
a³-b³=

• (a-b)(a²+ab+b²)
• (a+b)(a²-ab+b²)
• (a-b)(a²-ab+b²)
• (a+b)(a²+ab+b²)

Tags

CCSS.6.EE.A.2C

Factor using differencesum/ of cubes.  (use your notes!)
a³ + b³

• (a-b)(a²+ab+b²)
• (a+b)(a²-ab+b²)
• (a-b)(a²-ab+b²)
• (a+b)(a²+ab+b²)

Tags

CCSS.HSA.APR.C.4

Factor this sum of cubes:
2x³ + 128

• 2(x³ + 64)
• (x + 4)(x² - 4x + 16)
• 2(x - 4)(x² + 4x + 16)
• 2(x + 4)(x² - 4x + 16)

Tags

CCSS.HSA.APR.C.4

Factor 343m³-64n³

• (7m-4n)(49m²+28mn+16n²)

• (7m+4n)(7m²-28mn+16n²)

• (7m-4n)(49m²+16n²)

• (7m+4n)(49m²-16n²)

Tags

CCSS.HSA.APR.C.4

Factor completely 8x⁴+x

• (2x²+1)(4x²-2x+x)

• x(2x+1)(4x²-2x+1)

• (2x²+x)(4x²-2x+1)

• (2x²+1)(4x²-2x)

Tags

CCSS.HSA.APR.C.4

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• B

• C

• D

Tags

CCSS.HSA.APR.C.4

• A

• B

• C

• D

Tags

CCSS.HSA.APR.C.4

• A

• B

• C

• D