Solve the System by the Best Method $$\left\{ \begin{array} { l } 3 x = - 9 \\x + 5 y = 17\end{array} \right.$$

question 60

Multiple Choice

Solve the system by the best method. Use set notation to express the solution set.
- $$\left\{ \begin{array} { l } 3 x = - 9 \\x + 5 y = 17\end{array} \right.$$

• A) \(\{ ( 3,4 ) \}\)
• B) no solution; \(\varnothing\)
• C) \(\{ ( 3 , - 4 ) \}\)
• D) \(\{ ( - 3,4 ) \}\)

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