Use absolute value to evaluate.
-$$\sqrt { \left( - \frac { 49 } { 4 } \right) ^ { 2 } }$$
A) $\frac { 7 } { 2 }$
B) $\frac { 49 } { 4 }$
C) $- \frac { 7 } { 2 }$
D)not a real number

Question

Quizplus · Accepted Answer

The expression inside the square root is $(- \frac{49}{4})^2$, which equals $\frac{2401}{16}$. The square root of $\frac{2401}{16}$ is $\frac{49}{4}$, which is the absolute value of $-\frac{49}{4}$.

Use Absolute Value to Evaluate (−494)2\sqrt { \left( - \frac { 49 } { 4 } \right) ^ { 2 } }(−449​)2​

Use Absolute Value to Evaluate $\sqrt { \left( - \frac { 49 } { 4 } \right) ^ { 2 } }$