Find the matrix product when possible.
-$$\left[ \begin{array} { r r r }
- 5 & 7 & 9 \
- 1 & - 8 & 4
\end{array} \right] \left[ \begin{array} { l }
- 2 \
- 8 \
- 2
\end{array} \right]$$
A)
$\left[ \begin{array} { r r r } - 5 & 7 & 9 \ - 1 & - 8 & 4 \ - 2 & - 8 & - 2 \end{array} \right]$
B)
[-64 58]
C)
$\left[ \begin{array} { r } - 64 \ 58 \end{array} \right]$
D)
$\left[ \begin{array} { r } 58 \ - 64 \end{array} \right]$

Question

Find the matrix product when possible.
-$$\left[ \begin{array} { r r r } 
- 5 & 7 & 9 \
- 1 & - 8 & 4
\end{array} \right] \left[ \begin{array} { l } 
- 2 \
- 8 \
- 2
\end{array} \right]$$
A)
$\left[ \begin{array} { r r r } - 5 & 7 & 9 \ - 1 & - 8 & 4 \ - 2 & - 8 & - 2 \end{array} \right]$
B)
[-64 58]
C)
$\left[ \begin{array} { r } - 64 \ 58 \end{array} \right]$
D)
$\left[ \begin{array} { r } 58 \ - 64 \end{array} \right]$

Quizplus · Accepted Answer

The product of the given matrices is calculated by multiplying each row of the first matrix by the corresponding column of the second matrix, resulting in a 2x1 matrix.

Find the Matrix Product When Possible [−579−1−84][−2−8−2]\left[ \begin{array} { r r r } - 5 & 7 & 9 \\- 1 & - 8 & 4\end{array} \right] \left[ \begin{array} { l } - 2 \\- 8 \\- 2\end{array} \right][−5−1​7−8​94​]​−2−8−2​​

Find the Matrix Product When Possible $\left[ \begin{array} { r r r } - 5 & 7 & 9 \\- 1 & - 8 & 4\end{array} \right] \left[ \begin{array} { l } - 2 \\- 8 \\- 2\end{array} \right]$