Solve the System of Equations Algebraically for Real Values of X

question 12

Multiple Choice

Solve the system of equations algebraically for real values of x and y. $$\left\{ \begin{array} { l } x ^ { 2 } + y ^ { 2 } = 20 \\x + y = 6\end{array} \right.$$

• A) \(\quad ( 2,4 ) , ( 4,2 )\)
• B) \(\quad ( 4,4 ) , ( 4,4 )\)
• C) \(\quad ( 2,4 ) , ( 2,4 )\)
• D) \(( 4,2 ) , ( 4,2 )\)
• E) no solution

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