Rewrite the expression with a positive rational exponent. Simplify, if possible.
-$9 ^ { - 1 / 2 }$
A) $- \frac { 1 } { 3 }$
B) $- 3$
C) $\frac { 1 } { 9 }$
D) $\frac { 1 } { 3 }$

Name: Rewrite the expression with a positive rational exponent. Simplify, if possible. -$9 ^ { - 1 / 2 }$ A) $- \frac { 1 } { 3 }$ B) $- 3$ C) $\frac { 1 } { 9 }$ D) $\frac { 1 } { 3 }$
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Question

Quizplus · Accepted Answer

The expression $9^{-1/2}$ can be rewritten as $\frac{1}{9^{1/2}}$, which simplifies to $\frac{1}{3}$ because the square root of 9 is 3.

Rewrite the Expression with a Positive Rational Exponent 9−1/29 ^ { - 1 / 2 }9−1/2

Rewrite the Expression with a Positive Rational Exponent $9 ^ { - 1 / 2 }$