Solve the Nonlinear System of Equations $$\left\{ \begin{array} { l } y = x ^ { 2 } + 8 \\y = - x ^ { 2 } + 10\end{array} \right.$$

Multiple Choice

Solve the nonlinear system of equations.
- $$\left\{ \begin{array} { l } y = x ^ { 2 } + 8 \\y = - x ^ { 2 } + 10\end{array} \right.$$

A) $( 1,9 ) , ( 1 , - 9 ) , ( - 1,9 ) , ( - 1 , - 9 )$
B) $( 9,1 ) , ( 9 , - 1 )$
C) $( 1,9 ) , ( - 1,9 )$
D) $\varnothing$