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

question 27

Multiple Choice

Which one of the following is the variable matrix for the following systems of equations? $\left\{\begin{array}{r}5 x-2 y+6 z=9 \\6 x+2 z=4 \\2 y=3\end{array}\right.$

• A) \(\left[\begin{array}{lll}
• x & y & z \\
• x & y & z \\
• x & y & z
• \end{array}\right]\)
• B) \(\left[\begin{array}{l}
• 9 \\
• 4 \\
• 3
• \end{array}\right]\)
• C) \(\left[\begin{array}{lll}
• x & y & z
• \end{array}\right]\)
• D) \(\left[\begin{array}{ccc}
• 5 x & -2 y & 6 z \\
• 6 x & 0 y & 2 z \\
• 0 x & 2 y & 0 z
• \end{array}\right]\)
• E) \(\left[\begin{array}{l}
• x \\
• y \\
• z
• \end{array}\right]\)

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