Give the order of the matrix. Classify the matrix as a square matrix, row matrix, column matrix, or none
of these.
-$$\left[ \begin{array} { c r r }
4 & - 1 & 2 \
8 & 4 & - 5 \
- 7 & 6 & - 4
\end{array} \right]$$
A) 7 , none of these
B) 9 , square matrix
C) $3 \times 3$, square matrix
D) $3 \times 3$, none of these

Question

Give the order of the matrix. Classify the matrix as a square matrix, row matrix, column matrix, or none
of these.
-$$\left[ \begin{array} { c r r } 
4 & - 1 & 2 \
8 & 4 & - 5 \
- 7 & 6 & - 4
\end{array} \right]$$
A) 7 , none of these
B) 9 , square matrix
C) $3 \times 3$, square matrix
D) $3 \times 3$, none of these

Quizplus · Accepted Answer

The matrix has 3 rows and 3 columns, making it a $3 \times 3$ matrix. Since the number of rows equals the number of columns, it is classified as a square matrix.

Give the Order of the Matrix [4−1284−5−76−4]\left[ \begin{array} { c r r } 4 & - 1 & 2 \\8 & 4 & - 5 \\- 7 & 6 & - 4\end{array} \right]​48−7​−146​2−5−4​​

Give the Order of the Matrix $\left[ \begin{array} { c r r } 4 & - 1 & 2 \\8 & 4 & - 5 \\- 7 & 6 & - 4\end{array} \right]$