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

question 560

Multiple Choice

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

• A) \(\frac { a ^ { 2 } x - 14 a \sqrt { x } - 49 } { a ^ { 2 } x + 49 }\)
• B) \(\frac { a ^ { 2 } x - 14 a \sqrt { x } + 49 } { a ^ { 2 } x + 49 }\)
• C) \(\frac { a ^ { 2 } x - 14 a \sqrt { x } + 49 } { a ^ { 2 } x - 49 }\)
• D) \(\frac { a ^ { 2 } x + 14 a \sqrt { x } - 49 } { a ^ { 2 } x - 49 }\)

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