Find the matrix product, if possible.
-$$\left[ \begin{array} { r r r }
- 5 & 2 & - 1 \
9 & 7 & - 9
\end{array} \right] \left[ \begin{array} { r r r }
6 & 8 & - 1 \
6 & - 3 & - 5 \
7 & - 9 & - 1
\end{array} \right]$$
A)
$$\left[ \begin{array} { r r r }
- 5 & 2 & - 1 \
9 & 7 & - 9 \
6 & 8 & - 1 \
6 & - 3 & - 5 \
7 & - 9 & - 1
\end{array} \right]$$
B)
$\left[\begin{array}{rr}
-25 & 33 \
-37 & 132 \
-4 & -35
\end{array}\right]$
C)
$\left[\begin{array}{rrr}
-30 & 16 & 1 \
54 & -21 & 45 \
63 & -63 & 9
\end{array}\right]$

D)
$\left[\begin{array}{rrr}
-25 & -37 & -4 \
33 & 132 & -35
\end{array}\right]$

Question

Find the matrix product, if possible.
-$$\left[ \begin{array} { r r r } 
- 5 & 2 & - 1 \
9 & 7 & - 9
\end{array} \right] \left[ \begin{array} { r r r } 
6 & 8 & - 1 \
6 & - 3 & - 5 \
7 & - 9 & - 1
\end{array} \right]$$
A)
$$\left[ \begin{array} { r r r } 
- 5 & 2 & - 1 \
9 & 7 & - 9 \
6 & 8 & - 1 \
6 & - 3 & - 5 \
7 & - 9 & - 1
\end{array} \right]$$
B)
$\left[\begin{array}{rr}
-25 & 33 \
-37 & 132 \
-4 & -35
\end{array}\right]$
C)
$\left[\begin{array}{rrr}
-30 & 16 & 1 \
54 & -21 & 45 \
63 & -63 & 9
\end{array}\right]$

D)
$\left[\begin{array}{rrr}
-25 & -37 & -4 \
33 & 132 & -35
\end{array}\right]$

Quizplus · Accepted Answer

The matrix product is calculated by multiplying the rows of the first matrix by the columns of the second matrix. The resulting matrix has dimensions 2x3, matching the number of rows of the first matrix and the number of columns of the second matrix.

Find the Matrix Product, If Possible A) [−52−197−968−16−3−57−9−1]\left[ \begin{array} { r r r } - 5 & 2 & - 1 \\9 & 7 & - 9 \\6 & 8 & - 1 \\6 & - 3 & - 5 \\7 & - 9 & - 1\end{array} \right]​−59667​278−3−9​−1−9−1−5−1​​

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