Solve the System by the Method of Substitution $$\left\{ \begin{array} { r } x ^ { 2 } + 2 y = 0 \\x ^ { 2 } - 6 x - y = 0\end{array} \right.$$

Multiple Choice

Solve the system by the method of substitution.Check your solution(s) graphically.​ $$\left\{ \begin{array} { r } x ^ { 2 } + 2 y = 0 \\x ^ { 2 } - 6 x - y = 0\end{array} \right.$$ ​ ​

A) (0,4) , (0,-8)
B) (0,0) , (4,8)
C) (0,0) , (-4,-8)
D) (4,0) , (0,-8)
E) (0,0) , (4,-8)