Solve Nonlinear Systems by Addition
- $$\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 16 \\x ^ { 2 } - y ^ { 2 } = 16\end{array}$$

Multiple Choice

Solve Nonlinear Systems By Addition
- $$\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 16 \\x ^ { 2 } - y ^ { 2 } = 16\end{array}$$

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