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ACCUPLACER Math Skills

#12 - Exponents

Sample Question:

12. For all \( x > 0 \) and \( y > 0 \), the radical expression \( \frac{\sqrt{x}}{3\sqrt{x} - \sqrt{y}} \) is equivalent to:

A. \( \frac{3x - \sqrt{xy}}{9x + y} \)

B. \( \frac{3x - \sqrt{xy}}{3x + y} \)

C. \( \frac{3x + \sqrt{xy}}{9x - y} \)

D. \( \frac{3x + \sqrt{xy}}{3x - y} \)

E. \( \frac{x}{3x - y} \)

Answer: C


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