Solve the System by the Method of Substitution $$\left\{ \begin{array} { l } x - y ^ { 2 } = 0 \\x - y = 42\end{array} \right.$$

question 20

Multiple Choice

Solve the system by the method of substitution. $$\left\{ \begin{array} { l } x - y ^ { 2 } = 0 \\x - y = 42\end{array} \right.$$

• A) \(( 36,6 ) , ( 25 , - 5 )\)
• B) \(( 36 , - 6 ) , ( 25,5 )\)
• C) \(( 36,6 ) , ( 49 , - 7 )\)
• D) \(( 36 , - 6 ) , ( 49,7 )\)
• E)no solution exists

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