Form the Coefficient Matrix for the System of Linear Equations $\left\{ \begin{array} { r } 6 x + 3 y + 7 z = 0 \\x + 6 y + z = 7 \\8 x + 9 y + 7 z = - 9\end{array} \right.$

question 80

Multiple Choice

Form the coefficient matrix for the system of linear equations below.
$\left\{ \begin{array} { r } 6 x + 3 y + 7 z = 0 \\x + 6 y + z = 7 \\8 x + 9 y + 7 z = - 9\end{array} \right.$

• A) \(\left[ \begin{array} { c c c c }
• 6 & 3 & 7 & 0 \\
• 1 & 6 & 1 & 7 \\
• 8 & 9 & 7 & - 9
• \end{array} \right]\)
• B) \(\left[ \begin{array} { l l l }
• 6 & 3 & 7 \\
• 1 & 6 & 1 \\
• 8 & 9 & 7
• \end{array} \right]\)
• C) \(\left[ \begin{array} { c c c }
• 6 & 1 & 8 \\
• 3 & 6 & 9 \\
• 7 & 1 & 7 \\
• 0 & 7 & - 9
• \end{array} \right]\)
• D) \(\left[ \begin{array} { l l l }
• 6 & 1 & 8 \\
• 3 & 6 & 9 \\
• 7 & 1 & 7
• \end{array} \right]\)
• E) \(\left[ \begin{array} { c }
• 0 \\
• 7 \\
• - 9
• \end{array} \right]\)

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