Find the Solution Set for the System by Graphing Both $$\left\{ \begin{array} { l } x ^ { 2 } + y ^ { 2 } = 25 \\25 x ^ { 2 } + 16 y ^ { 2 } = 400\end{array} \right.$$

Multiple Choice

Find the solution set for the system by graphing both of the system's equations in the same rectangular coordinate
system and finding points of intersection.
- $$\left\{ \begin{array} { l } x ^ { 2 } + y ^ { 2 } = 25 \\25 x ^ { 2 } + 16 y ^ { 2 } = 400\end{array} \right.$$

A) $\{ ( 0,5 ) , ( 0 , - 5 ) \}$
B) $\{ ( 5,0 ) , ( - 5,0 ) \}$
C) $\{ ( 0,4 ) , ( 0 , - 4 ) \}$
D) $\{ ( 4,0 ) , ( - 4,0 ) \}$