Solve the System of Equations Using Substitution $$\left\{ \begin{array} { l } y = - x ^ { 2 } + 3 \\x ^ { 2 } + y ^ { 2 } = 5\end{array} \right.$$

Multiple Choice

Solve the system of equations using substitution.
- $$\left\{ \begin{array} { l } y = - x ^ { 2 } + 3 \\x ^ { 2 } + y ^ { 2 } = 5\end{array} \right.$$

A) $x = 2 , y = - 1 ; x = 1 , y = 2 ; x = - 1 , y = 2 ; x = - 2 , y = - 1$
B) $x = 1 , y = 4 ; x = 4 , y = 19$
C) $x = 1 , y = 2 ; x = - 1 , y = 2$
D) $x = 2 , y = - 1 ; x = - 2 , y = - 1$