Solve Nonlinear Systems by Addition
Solve the System by the Addition

Multiple Choice

Solve Nonlinear Systems By Addition
Solve the system by the addition method.
- $$\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 145 \\x ^ { 2 } - y ^ { 2 } = - 17\end{array}$$

A) $\{ ( 8,9 ) , ( - 8,9 ) , ( 8 , - 9 ) , ( - 8 , - 9 ) \}$
B) $\{ ( 8,9 ) , ( 9,8 ) , ( - 8 , - 9 ) , ( - 9 , - 8 ) \}$
C) $\{ ( 8 , - 9 ) , ( 8,9 ) \}$
D) $\{ ( - 8 , - 9 ) , ( - 9 , - 8 ) \}$