Use the Matrix Capabilities of a Graphing Utility to Find

question 24

Multiple Choice

Use the matrix capabilities of a graphing utility to find AB,if possible. $$A = \left[ \begin{array} { c c c } - 7 & - 2 & - 8 \\2 & - 9 & 3 \\- 7 & - 8 & 6\end{array} \right] , B = \left[ \begin{array} { c c c } 4 & 4 & 1 \\- 9 & - 5 & 3 \\3 & - 2 & - 5\end{array} \right]$$

• A) \[\left[ \begin{array} { c c c }
• - 28 & - 8 & - 8 \\
• - 18 & 45 & 9 \\
• - 21 & 16 & - 30
• \end{array} \right]\]
• B) \[\left[ \begin{array} { c c c }
• 14 & - 34 & - 53 \\
• 116 & 59 & - 10 \\
• 26 & 24 & - 1
• \end{array} \right]\]
• C) \[\left[ \begin{array} { c c c }
• - 34 & 98 & 62 \\
• - 2 & 47 & 0 \\
• 27 & - 40 & - 61
• \end{array} \right]\]
• D) \[\left[ \begin{array} { c c c }
• - 34 & - 2 & 27 \\
• 98 & 47 & - 40 \\
• 62 & 0 & - 61
• \end{array} \right]\]
• E)not possible

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