Find the dimension of the matrix.
-$$\left[ \begin{array} { r r r }
- 5 & 0 & 0 \
- 5 & - 5 & 0 \
5 & 3 & - 5
\end{array} \right]$$
A) $3 \times 0$
B) $- 5$
C) $3 \times 3$
D) 9

Question

Find the dimension of the matrix.
-$$\left[ \begin{array} { r r r } 
- 5 & 0 & 0 \
- 5 & - 5 & 0 \
5 & 3 & - 5
\end{array} \right]$$
A) $3 \times 0$
B) $- 5$
C) $3 \times 3$
D) 9

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 3 columns, so its dimension is $3 \times 3$.

Find the Dimension of the Matrix [−500−5−5053−5]\left[ \begin{array} { r r r } - 5 & 0 & 0 \\- 5 & - 5 & 0 \\5 & 3 & - 5\end{array} \right]​−5−55​0−53​00−5​​

Find the Dimension of the Matrix $\left[ \begin{array} { r r r } - 5 & 0 & 0 \\- 5 & - 5 & 0 \\5 & 3 & - 5\end{array} \right]$