Solve the System of Equations $$\begin{aligned}x - y + 5 z & = - 3 \\1 x + z & = 0 \\x + 3 y + z & = 9\end{aligned}$$

question 147

Multiple Choice

Solve the system of equations.
- $$\begin{aligned}x - y + 5 z & = - 3 \\1 x + z & = 0 \\x + 3 y + z & = 9\end{aligned}$$

• A) \(\{ ( 0,3,0 ) \}\)
• B) \(\{ ( 0,0,3 ) \}\)
• C) \(\{ ( 0,3 , - 3 ) \}\)
• D) \(\{ ( 3,0,0 ) \}\)

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A company’s strategy aimed at adjusting their level of output until they achieve the highest possible profit.

Profit-Maximizing Number

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