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Find All Real Solutions to the System of Equations Using 2x2+y2=66x2+y2=41\begin{array} { r } 2 x ^ { 2 } + y ^ { 2 } = 66 \\x ^ { 2 } + y ^ { 2 } = 41\end{array}

Question 12

Multiple Choice

Find all real solutions to the system of equations using the addition method.
- 2x2+y2=66x2+y2=41\begin{array} { r } 2 x ^ { 2 } + y ^ { 2 } = 66 \\x ^ { 2 } + y ^ { 2 } = 41\end{array}


A) (5, 4) , (-5, -4)
B) (4, 5) , (-4, 5) , (4, -5) , (-4, -5)
C) (4, 5) , (-4, -5)
D) (5, 4) , (5, -4) , (-5, 4) , (-5, -4)

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