Which One of the Following Is the Constant Matrix for the Following

question 38

Multiple Choice

Which one of the following is the constant matrix for the following systems of equations? $\left\{\begin{array}{r}4 x-9 y+3 z=8 \\4 x+2 z=3 \\7 y=7\end{array}\right.$

• A) \(\left[\begin{array}{ccc} 4 & -9 & 3 \\ 4 & 0 & 2 \\ 0 & 7 & 0 \end{array}\right]\)
• B) \(\left[\begin{array}{lll} 8 & 3 & 7 \end{array}\right]\)
• C) \(\left[\begin{array}{l} 8 \\ 3 \\ 7 \end{array}\right]\)
• D) \(\left[\begin{array}{l} x \\ y \\ z \end{array}\right]\)

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