Rationalize the Denominator $\frac { \sqrt { x } - 4 } { \sqrt { x } + 4 }$

question 239

Multiple Choice

Rationalize the denominator. Assume that all variables represent positive numbers.
- $\frac { \sqrt { x } - 4 } { \sqrt { x } + 4 }$

• A) \(- 8 \sqrt { x }\)
• B) \(\frac { x + 16 } { x - 16 }\)
• C) \(\frac { x - 8 \sqrt { x } + 16 } { x - 16 }\)
• D) \(- 1\)