Rationalize the denominator.

A.  - 
B.
C.
D.

Answer: D

Mathematics

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C. y = - x2
D. x = - y2

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What will be an ideal response?

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Rationalize the denominator. Assume that all variables represent positive numbers.

A.
B.
C. -1
D. -26 

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Solve.x3 + 2x2 - 4x ? 8

A. (-?, -2] ? [2, ?) B. [-2, 2] C. [2, ?) D. (-?, 2]

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