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July 28, 2014

July 28, 2014

Posted by **Mark** on Friday, September 28, 2012 at 6:55pm.

(y2 - 9)3

3 - 4y

64 - y3

(y - 1)3

y3 - 27

27 - 3y

y3

(b) Which of the following are examples of the expression "cube of a difference"? (Select all that apply.)

27 - 3y

(y - 1)3

(y2 - 9)3

y3

y3 - 27

64 - y3

3 - 4y

- Math HELPPPP -
**Steve**, Saturday, September 29, 2012 at 12:13pmdifference of a and b means a-b

difference of two cubes means a^3 - b^3

That would be 64-y^3 or y^3-27

difference means a-b

cube of difference is (a-b)^3

that would be (y^2-9)^3 or (y-1)^3

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