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

Multiple Choice

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