Solve the System by the Addition Method $$\begin{array} { l } 2 x ^ { 2 } + 2 y ^ { 2 } = 18 \\2 y - x = 12\end{array}$$

question 23

Multiple Choice

Solve the system by the addition method. $$\begin{array} { l } 2 x ^ { 2 } + 2 y ^ { 2 } = 18 \\2 y - x = 12\end{array}$$

• A) \(\{ ( 9,6 ) , ( - 9 , - 6 ) \}\)
• B) \(\{ ( 0,0 ) \}\)
• C) \(\{ ( 18,6 ) , ( - 18,6 ) \}\)
• D) { }

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