Solve the System by the Substitution Method $$\begin{array} { l } y = 10 x - x ^ { 2 } \\2 x - y = - 15\end{array}$$

question 39

Multiple Choice

Solve the system by the substitution method.
- $$\begin{array} { l } y = 10 x - x ^ { 2 } \\2 x - y = - 15\end{array}$$

• A) \(( 3,21 ) , ( 5,25 )\)
• B) \(( 3,5 )\)
• C) \(( - 3,9 ) , ( - 5,5 )\)
• D) \(( 5,25 )\)

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