Use the Gauss-Jordan Method to Solve the System of Equations $$\begin{array} { l } 6 x - y - 6 z = - 16 \\9 x + 9 y + 3 z = 114 \\- 3 x - 5 y + z = - 30\end{array}$$

question 504

Multiple Choice

Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, let the last
variable be the arbitrary variable.
- $$\begin{array} { l } 6 x - y - 6 z = - 16 \\9 x + 9 y + 3 z = 114 \\- 3 x - 5 y + z = - 30\end{array}$$

• A) \(\{ ( 6,8,4 ) \}\)
• B) \(\{ ( 6,4,8 ) \}\)
• C) \(\varnothing\)
• D) \(\{ ( - 6,4,12 ) \}\)

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