arrow_back Which of the following is the coefficient matrix for the system  \begin{array}{c} x+4 y=6 \\ 4 x+2 y=z \text { ? } \\ y+5 z=-6 \end{array}

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Which of the following is the coefficient matrix for the system \begin{array}{c} x+4 y=6 \\ 4 x+2 y=z \text { ? } \\ y+5 z=-6 \end{array} A. $\left[\begin{array}{c}6 \\ 0 \\ -6\end{array}\right]$ B. $\left[\begin{array}{ccc}1 & 4 & 6 \\ 4 & 2 & -1 \\ 1 & 5 & -6\end{array}\right]$ C. $\left[\begin{array}{lll}1 & 4 & 0 \\ 4 & 2 & 0 \\ 0 & 1 & 5\end{array}\right]$ D. $\left[\begin{array}{ccc}1 & 4 & -6 \\ 4 & 2 & -1 \\ 0 & 1 & 5\end{array}\right]$ E. $\left[\begin{array}{ccc}1 & 4 & 0 \\ 4 & 2 & -1 \\ 0 & 1 & 5\end{array}\right]$

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