Perform the Matrix Multiplication $A = \left[ \begin{array} { r r r } - 2 & - 9 & - 8 \\ 6 & - 9 & - 1 \end{array} \right]$

question 108

Multiple Choice

Perform the matrix multiplication.
-Let $A = \left[ \begin{array} { r r r } - 2 & - 9 & - 8 \\ 6 & - 9 & - 1 \end{array} \right]$ and $B = \left[ \begin{array} { r r r } 6 & - 4 & - 5 \\ 8 & - 4 & - 3 \\ - 3 & - 7 & 3 \end{array} \right]$ . Find $A B$ .

• A) \(\left[ \begin{array} { r r } - 60 & - 33 \\ 100 & 19 \\ 13 & - 6 \end{array} \right]\)
• В) \(\left[ \begin{array} { r r r } - 12 & 36 & 40 \\ 48 & 36 & 3 \\ - 18 & 63 & - 3 \end{array} \right]\)
• C) \(\left[ \begin{array} { r r r } - 2 & - 9 & - 8 \\ 6 & - 9 & - 1 \\ 6 & - 9 & - 1 \\ 8 & - 4 & - 3 \\ - 3 & - 3 & 3 \end{array} \right]\)
• D) \(\left[ \begin{array} { r r r } - 60 & 100 & 13 \\ - 33 & 19 & - 6 \end{array} \right]\)

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