Find All Real Solutions to the System of Equations Using $\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 80 \\x ^ { 2 } - y ^ { 2 } = - 48\end{array}$

Multiple Choice

Find all real solutions to the system of equations using the addition method.
- $\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 80 \\x ^ { 2 } - y ^ { 2 } = - 48\end{array}$

A) (4, -8) , (4, 8)
B) (4, 8) , (-4, 8) , (4, -8) , (-4, -8)
C) (4, 8) , (8, 4) , (-4, -8) , (-8, -4)
D) (-4, -8) , (-8, -4)