Sum & Difference of Cubes #1

∛125

• 5
• 4
• 6
• 7

Tags

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

The number 512 is a perfect cube because 512 = 8³.

Which number below is also a perfect cube?

• 125

• 300

• 150

• 256

Tags

CCSS.6.EE.A.1

Identify each value that is a perfect cube:

• 27

• 1,000

• 90

• 1

Tags

CCSS.8.EE.A.2

Which number is both a perfect square and a perfect cube?

• 64

• 27

• 81

• 16

Tags

CCSS.6.EE.A.1

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.HSA.APR.A.1

CCSS.HSA.APR.C.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:   x³ + 1

• (x + 1)³
• (x+1)(x² - x + 1)
• (x - 1) (x² + x - 1)
• (x + 1)(x² - 2x + 1)

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.SSE.A.2

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

64x³ + 125

• (4x - 5)(16x² + 20x + 25)

• (4x + 5)(16x² - 20x + 25)

• (4x - 5)(16x² + 20x - 25)

• (4x + 5)(16x² - 20x - 25)

Tags

CCSS.HSA.APR.C.4

CCSS.HSA.SSE.A.2

Factor this sum of cubes:
216x³ + 125

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

Tags

CCSS.HSA.SSE.A.2

Factor 343m³-64n³

• (7m-4n)(49m²+28mn+16n²)

• (7m+4n)(7m²-28mn+16n²)

• (7m-4n)(49m²+16n²)

• (7m+4n)(49m²-16n²)

Tags

CCSS.HSA.SSE.A.2