Write the Augmented Matrix for the System of Linear Equations $\left\{ \begin{aligned}x + 9 y + 7 z & = 9 \\- y + 8 z & = - 5 \\x + 2 z & = - 4\end{aligned} \right.$

question 32

Multiple Choice

Write the augmented matrix for the system of linear equations. $\left\{ \begin{aligned}x + 9 y + 7 z & = 9 \\- y + 8 z & = - 5 \\x + 2 z & = - 4\end{aligned} \right.$

• A) \(\left[ \begin{array} { c c c : c }
• 1 & 9 & 7 & 9 \\
• 1 & - 1 & 8 & - 5 \\
• 1 & 1 & 2 & - 4
• \end{array} \right]\)
• B) \(\left[ \begin{array} { c c c : c }
• 1 & 9 & 7 & 9 \\
• 0 & - 1 & 8 & - 5 \\
• 1 & 0 & 2 & - 4
• \end{array} \right]\)
• C) \(\left[ \begin{array} { c c c : c }
• 1 & 9 & 7 & 9 \\
• & - 1 & 8 & - 5 \\
• 1 & & 2 & - 4
• \end{array} \right]\)
• D) \(\left[ \begin{array} { c c c : c }
• 1 & 9 & 7 & 9 \\
• - 1 & 8 & 0 & - 5 \\
• 1 & 2 & 0 & - 4
• \end{array} \right]\)
• E) \(\left[ \begin{array} { c c c : c }
• 1 & 9 & 7 & 9 \\
• 0 & - 1 & 8 & - 5 \\
• 1 & 2 & 0 & - 4
• \end{array} \right]\)

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