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

Question

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

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 [2−9−9645−9−2−9−69−1−6−2−9]\left[ \begin{array} { r r r r r } 2 & - 9 & - 9 & 6 & 4 \\5 & - 9 & - 2 & - 9 & - 6 \\9 & - 1 & - 6 & - 2 & - 9\end{array} \right]​259​−9−9−1​−9−2−6​6−9−2​4−6−9​​

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