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

Question

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

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 [−262−9−815229−2−3426]\left[ \begin{array} { r r r r r } - 2 & 6 & 2 & - 9 & - 8 \\1 & 5 & 2 & 2 & 9 \\- 2 & - 3 & 4 & 2 & 6\end{array} \right]​−21−2​65−3​224​−922​−896​​

Find the Dimension of the Matrix $\left[ \begin{array} { r r r r r } - 2 & 6 & 2 & - 9 & - 8 \\1 & 5 & 2 & 2 & 9 \\- 2 & - 3 & 4 & 2 & 6\end{array} \right]$