Find the dimension of the matrix.
-$$\left[ \begin{array} { r r r r r }
- 6 & 1 & - 7 & 8 & - 4 \
- 1 & 9 & 6 & - 7 & - 8 \
7 & 2 & - 8 & 6 & 1
\end{array} \right]$$
A) $3 \times 5$
B) $- 6,1 , - 7,8 , - 4 , - 1,7$
C) 15
D) $5 \times 3$

Question

Find the dimension of the matrix.
-$$\left[ \begin{array} { r r r r r } 
- 6 & 1 & - 7 & 8 & - 4 \
- 1 & 9 & 6 & - 7 & - 8 \
7 & 2 & - 8 & 6 & 1
\end{array} \right]$$
A) $3 \times 5$
B) $- 6,1 , - 7,8 , - 4 , - 1,7$
C) 15
D) $5 \times 3$

Quizplus · Accepted Answer

The dimension of a matrix is given by the number of rows by the number of columns. This matrix has 3 rows and 5 columns, so its dimension is $3 \times 5$.

Find the Dimension of the Matrix [−61−78−4−196−7−872−861]\left[ \begin{array} { r r r r r } - 6 & 1 & - 7 & 8 & - 4 \\- 1 & 9 & 6 & - 7 & - 8 \\7 & 2 & - 8 & 6 & 1\end{array} \right]​−6−17​192​−76−8​8−76​−4−81​​

Find the Dimension of the Matrix $\left[ \begin{array} { r r r r r } - 6 & 1 & - 7 & 8 & - 4 \\- 1 & 9 & 6 & - 7 & - 8 \\7 & 2 & - 8 & 6 & 1\end{array} \right]$