Find the matrix product when possible.
-$\left[ \begin{array} { l l l } - 9 & 2 & 8 \end{array} \right] \left[ \begin{array} { r } 4 \ 0 \ - 3 \end{array} \right]$
A)
$\left[\begin{array}{lll}
-36 & 0 & -24
\end{array}\right]$

B)
$\left[\begin{array}{r}
-36 \
0 \
-24
\end{array}\right]$

C)
[282]

D)
$[ - 60 ]$

Question

Find the matrix product when possible.
-$\left[ \begin{array} { l l l } - 9 & 2 & 8 \end{array} \right] \left[ \begin{array} { r } 4 \ 0 \ - 3 \end{array} \right]$
A)
$\left[\begin{array}{lll}
-36 & 0 & -24
\end{array}\right]$

B)
$\left[\begin{array}{r}
-36 \
0 \
-24
\end{array}\right]$

C)
[282]

D)
$[ - 60 ]$

Quizplus · Accepted Answer

The product of a 1x3 matrix and a 3x1 matrix is a 1x1 matrix, calculated as (-9*4) + (2*0) + (8*-3) = -36 - 24 = -60.

Find the Matrix Product When Possible [−928][40−3]\left[ \begin{array} { l l l } - 9 & 2 & 8 \end{array} \right] \left[ \begin{array} { r } 4 \\ 0 \\ - 3 \end{array} \right][−9​2​8​]​40−3​​

Find the Matrix Product When Possible $\left[ \begin{array} { l l l } - 9 & 2 & 8 \end{array} \right] \left[ \begin{array} { r } 4 \\ 0 \\ - 3 \end{array} \right]$