Use the Gauss-Jordan Method to Solve the System of Equations $$\begin{array} { l } 2 x - 2 y + 3 z = - 7 \\x + 2 y - z = 10 \\2 y + z = 1\end{array}$$

question 125

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.
- $$\begin{array} { l } 2 x - 2 y + 3 z = - 7 \\x + 2 y - z = 10 \\2 y + z = 1\end{array}$$

• A) \(\varnothing\)
• B) \(\{ ( 3,11 , - 11 ) \}\)
• C) \(\{ ( - 3,2,9 ) \}\)
• D) \(\{ ( 3,2 , - 3 ) \}\)

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