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

Multiple Choice

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