Solve Nonlinear Systems by Addition
- $$\begin{array} { l } y ^ { 2 } + 2 x ^ { 2 } = 13 \\y ^ { 2 } - x ^ { 2 } = 1\end{array}$$

Multiple Choice

Solve Nonlinear Systems By Addition
- $$\begin{array} { l } y ^ { 2 } + 2 x ^ { 2 } = 13 \\y ^ { 2 } - x ^ { 2 } = 1\end{array}$$

A) $( 2 , \sqrt { 5 } ) , ( 2 , - \sqrt { 5 } ) , ( - 2 , \sqrt { 5 } ) , ( - 2 , - \sqrt { 5 } )$
B) $( 2 , \sqrt { 5 } ) , ( 2 , - \sqrt { 5 } )$
C) $( 3 , \sqrt { 5 } ) , ( 3 , - \sqrt { 5 } ) , ( - 3 , \sqrt { 5 } ) , ( - 3 , - \sqrt { 5 } )$
D) $( 3 , \sqrt { 5 } ) , ( 3 , - \sqrt { 5 } )$