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Rationalize the Denominator ax7ax+7\frac { a \sqrt { x } - 7 } { a \sqrt { x } + 7 }

Question 560

Multiple Choice

Rationalize the denominator. Assume that all variables represent nonnegative numbers and that the denominator is not
zero.
- ax7ax+7\frac { a \sqrt { x } - 7 } { a \sqrt { x } + 7 }


A) a2x14ax49a2x+49\frac { a ^ { 2 } x - 14 a \sqrt { x } - 49 } { a ^ { 2 } x + 49 }

B) a2x14ax+49a2x+49\frac { a ^ { 2 } x - 14 a \sqrt { x } + 49 } { a ^ { 2 } x + 49 }

C) a2x14ax+49a2x49\frac { a ^ { 2 } x - 14 a \sqrt { x } + 49 } { a ^ { 2 } x - 49 }

D) a2x+14ax49a2x49\frac { a ^ { 2 } x + 14 a \sqrt { x } - 49 } { a ^ { 2 } x - 49 }

Correct Answer:

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