Use the Gauss-Jordan Method to Solve the System of Equations $$\begin{array} { c } 3 x - y + 3 z = 28 \\7 x + 4 z = 65 \\8 y + z = 44\end{array}$$

question 344

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.
- $$\begin{array} { c } 3 x - y + 3 z = 28 \\7 x + 4 z = 65 \\8 y + z = 44\end{array}$$

• A) \(\varnothing\)
• B) \(\{ ( - 7,5,14 ) \}\)
• C) \(\{ ( 7,5,4 ) \}\)
• D) \(\{ ( 7,4,5 ) \}\)