Determine the Size of Matrix a and Tell Whether It $$\mathrm { A } = \left[ \begin{array} { r r } 3 & - 4 \\5 & 0 \\- 5 & 9 \\4 & - 3\end{array} \right]$$

Multiple Choice

Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.
- $$\mathrm { A } = \left[ \begin{array} { r r } 3 & - 4 \\5 & 0 \\- 5 & 9 \\4 & - 3\end{array} \right]$$

A) 4 × 2; none of these
B) 2; square matrix
C) 8; none of these
D) 2 × 4; none of these