Use Matrices and Gaussian Elimination to Solve Systems
- $$\begin{aligned}x - y + 4 z & = 15 \\2 x + z & = 3 \\x + 2 y + z & = - 3\end{aligned}$$

question 152

Multiple Choice

Use Matrices and Gaussian Elimination to Solve Systems
- $$\begin{aligned}x - y + 4 z & = 15 \\2 x + z & = 3 \\x + 2 y + z & = - 3\end{aligned}$$

• A) \(\{ ( 0 , - 3,3 ) \}\)
• B) \(\{ ( 0,3 , - 3 ) \}\)
• C) \(\{ ( 3 , - 3,0 ) \}\)
• D) \(\{ ( 3,0 , - 3 ) \}\)

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