Solve the System by Using the Gauss-Jordan Method $$\begin{aligned}x + 5 y & = - 3 \\- 3 x - 15 y & = 9\end{aligned}$$

question 102

Multiple Choice

Solve the system by using the Gauss-Jordan method.
$$\begin{aligned}x + 5 y & = - 3 \\- 3 x - 15 y & = 9\end{aligned}$$

• A) \(( - 13,2 )\)
• B) \(( - 3,0 )\)
• C) \(( - 8,1 )\)
• D) Infinitely many solutions; \(\left\{ ( x , y ) \mid y = \frac { 1 } { 5 } x - \frac { 3 } { 5 } \right\}\); dependent system

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