Use Matrices and Gauss-Jordan Elimination to Solve Systems
Solve the System

question 147

Multiple Choice

Use Matrices and Gauss-Jordan Elimination to Solve Systems
Solve the system of equations using matrices. Use Gauss-Jordan elimination.
- $$\begin{array} { l } x = 6 - y - z \\x - y + 3 z = - 6 \\2 x + y = 8 - z\end{array}$$

• A) \(\{ ( 2,5 , - 1 ) \}\)
• B) \(\{ ( 5 , - 1,2 ) \}\)
• C) \(\{ ( - 1,5,2 ) \}\)
• D) \(\{ ( - 1,2,5 ) \}\)

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