Find the matrix product when possible.
-$$\left[ \begin{array} { r r r }
8 & - 7 & - 7 \
- 6 & 5 & - 2
\end{array} \right] \left[ \begin{array} { r r r }
- 3 & 7 & - 1 \
8 & - 9 & 9 \
4 & 1 & - 5
\end{array} \right]$$
A)
$\left[\begin{array}{rrr}
8 & -7 & -7 \
-6 & 5 & -2 \
-3 & 7 & -1 \
8 & -9 & 9 \
4 & 1 & -5
\end{array}\right]$

B)
$\left[\begin{array}{rrr}
-24 & -49 & 7 \
-48 & -45 & -18 \
-24 & 5 & 10
\end{array}\right]$

C)
$$\left[ \begin{array} { r r }
- 108 & 50 \
112 & - 89 \
- 36 & 61
\end{array} \right]$$
D)
$$\left[ \begin{array} { r r r }
- 108 & 112 & - 36 \
50 & - 89 & 61
\end{array} \right]$$

Question

Find the matrix product when possible.
-$$\left[ \begin{array} { r r r } 
8 & - 7 & - 7 \
- 6 & 5 & - 2
\end{array} \right] \left[ \begin{array} { r r r } 
- 3 & 7 & - 1 \
8 & - 9 & 9 \
4 & 1 & - 5
\end{array} \right]$$
A)
$\left[\begin{array}{rrr}
8 & -7 & -7 \
-6 & 5 & -2 \
-3 & 7 & -1 \
8 & -9 & 9 \
4 & 1 & -5
\end{array}\right]$

B)
$\left[\begin{array}{rrr}
-24 & -49 & 7 \
-48 & -45 & -18 \
-24 & 5 & 10
\end{array}\right]$

C)
$$\left[ \begin{array} { r r } 
- 108 & 50 \
112 & - 89 \
- 36 & 61
\end{array} \right]$$
D)
$$\left[ \begin{array} { r r r } 
- 108 & 112 & - 36 \
50 & - 89 & 61
\end{array} \right]$$

Quizplus · Accepted Answer

The correct matrix product is obtained by performing the dot product of rows from the first matrix with columns from the second matrix, resulting in a 2x3 matrix.

Find the Matrix Product When Possible A) [8−7−7−65−2−37−18−9941−5]\left[\begin{array}{rrr}8 & -7 & -7 \\-6 & 5 & -2 \\-3 & 7 & -1 \\8 & -9 & 9 \\4 & 1 & -5\end{array}\right]​8−6−384​−757−91​−7−2−19−5​​

Find the Matrix Product When Possible A) $\left[\begin{array}{rrr}8 & -7 & -7 \\-6 & 5 & -2 \\-3 & 7 & -1 \\8 & -9 & 9 \\4 & 1 & -5\end{array}\right]$