Solve the System by Using the Gauss-Jordan Method $$\begin{aligned}- 3 x + y & = - 9 \\- 9 x + 3 y & = 4\end{aligned}$$

question 14

Multiple Choice

Solve the system by using the Gauss-Jordan method.
$$\begin{aligned}- 3 x + y & = - 9 \\- 9 x + 3 y & = 4\end{aligned}$$

• A) \(( 1 , - 6 )\)
• B) \(( 0 , - 9 )\)
• C) No solution; inconsistent system
• D) Infinitely many solutions; \(\{ ( x , y ) \mid y = 3 x - 9 \}\); dependent system

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