Convert the Given Rectangular Coordinates to Polar Coordinates $0 \leq \theta < 2 \pi$

Convert the given rectangular coordinates to polar coordinates. Express the answer in such a way that r is nonnegative and $0 \leq \theta < 2 \pi$ . $( - 5 , - 5 )$

A) $\left( 5 , - \frac { 5 \pi } { 4 } \right)$
B) $\left( 5 \sqrt { 2 } , \frac { 5 \pi } { 4 } \right)$
C) $\left( 5 , \frac { \pi } { 4 } \right)$
D) $\left( 5 \sqrt { 2 } , \frac { \pi } { 4 } \right)$
E) $\left( - 5 \sqrt { 2 } , \frac { 5 \pi } { 4 } \right)$