Use the Matrix Capabilities of a Graphing Utility to Solve $\left\{ \begin{aligned}- 16 x + 16 y + 24 z & = 2 \\8 x - 8 y & = - 1 \\8 y + 32 z & = 5\end{aligned} \right.$

question 56

Multiple Choice

Use the matrix capabilities of a graphing utility to solve the following system of linear equations: $\left\{ \begin{aligned}- 16 x + 16 y + 24 z & = 2 \\8 x - 8 y & = - 1 \\8 y + 32 z & = 5\end{aligned} \right.$

• A) \(\left[ \begin{array} { l }
• x \\
• y \\
• z
• \end{array} \right] = \left[ \begin{array} { c }
• \frac { 1 } { 4 } \\
• 0 \\
• - \frac { 3 } { 8 }
• \end{array} \right]\)
• B) \(\left[ \begin{array} { l }
• x \\
• y \\
• z
• \end{array} \right] = \left[ \begin{array} { c }
• \frac { 3 } { 8 } \\\\
• - \frac { 1 } { 4 } \\\\
• \frac { 1 } { 4 }
• \end{array} \right]\)
• C) \(\left[ \begin{array} { c }
• x \\
• y \\
• z
• \end{array} \right] = \left[ \begin{array} { c }
• - \frac { 3 } { 8 } \\\\
• \frac { 1 } { 4 } \\\\
• \frac { 1 } { 8 }
• \end{array} \right]\)
• D) \(\left[ \begin{array} { l }
• x \\
• y \\
• z
• \end{array} \right] = \left[ \begin{array} { c }
• \frac { 1 } { 8 } \\\\
• - \frac { 1 } { 2 } \\\\
• \frac { 1 } { 4 }
• \end{array} \right]\)
• E) \(\left[ \begin{array} { c }
• x \\
• y \\
• z
• \end{array} \right] = \left[ \begin{array} { c }
• \frac { 1 } { 2 } \\\\
• \frac { 5 } { 8 } \\\\
• 0
• \end{array} \right]\)

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