Solve Each System of Equations Using Matrices (Row Operations) $$\begin{array} { l } x - y + 2 z + w = 2 \\y + z = 2 \\z - w = 3\end{array}$$

question 130

Multiple Choice

Solve each system of equations using matrices (row operations) . If the system has no solution, say that it is inconsistent.
- $$\begin{array} { l } x - y + 2 z + w = 2 \\y + z = 2 \\z - w = 3\end{array}$$

• A) \(\varnothing\)
• B) \(\{ ( - 9 , - 2,4,1 ) \}\)
• C)\(\{(-5-4 \mathrm{w},-1-\mathrm{w}, 3+\mathrm{w}, \mathrm{w})\}\)
• D) \(\{ ( - 5 , - 1,3 , \mathrm { w } ) \}\)

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