Write the System of Equations Associated with the Augmented Matrix $\left[ \begin{array} { l l l l } 1 & 0 & 0 & - 1 \\ 0 & 1 & 0 & - 1 \\ 0 & 0 & 1 & - 9 \end{array} \right]$

question 133

Multiple Choice

Write the system of equations associated with the augmented matrix. Do not solve.
- $\left[ \begin{array} { l l l l } 1 & 0 & 0 & - 1 \\ 0 & 1 & 0 & - 1 \\ 0 & 0 & 1 & - 9 \end{array} \right]$

• A) \(x = 1\)
• \(y = 1\)
• \(z = 9\)
• B) \(x = - 1\)
• \(y = - 1\)
• \(z = - 9\)
• C) \(x = 8\)
• \(y = 8\)
• \(z = 0\)
• D) \(x = 0\)
• \(y = - 2\)
• \(z = - 10\)

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