Evaluate. $- \sqrt { \frac { 81 } { 16 } }$
A) $\frac { 9 } { 4 }$
B) $\frac { 4 } { 9 }$
C) $- \frac { 9 } { 4 }$
D) $- \frac { 9 } { 16 }$

Name: Evaluate. $- \sqrt { \frac { 81 } { 16 } }$ A) $\frac { 9 } { 4 }$ B) $\frac { 4 } { 9 }$ C) $- \frac { 9 } { 4 }$ D) $- \frac { 9 } { 16 }$
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Question

Quizplus · Accepted Answer

We can simplify the expression as follows:
$$-\sqrt{\frac{81}{16}}=-\frac{\sqrt{81}}{\sqrt{16}}=-\frac{9}{4}$$
Therefore, the answer is choice C.

Evaluate −8116- \sqrt { \frac { 81 } { 16 } }−1681​​

Evaluate $- \sqrt { \frac { 81 } { 16 } }$