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

Question

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

Quizplus · Accepted Answer

The dimension of a matrix is given by the number of rows by the number of columns. This matrix has 2 rows and 3 columns, so its dimension is $2 \times 3$.

Find the Dimension of the Matrix [−755−51−8]\left[ \begin{array} { r r r } - 7 & 5 & 5 \\- 5 & 1 & - 8\end{array} \right][−7−5​51​5−8​]

Find the Dimension of the Matrix $\left[ \begin{array} { r r r } - 7 & 5 & 5 \\- 5 & 1 & - 8\end{array} \right]$