Identify row, column, square, symmetric and zero matrices
Four matrices are shown below
\[A = \begin{bmatrix} 0 & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 \end{bmatrix}\]
\[B = \begin{bmatrix} 7 & -3 & 2 \\ -7 & -4 & -6 \\ -2 & 1 & -4 \end{bmatrix}\]
\[C = \begin{bmatrix} -5 & -5 & -7 & 0 \end{bmatrix}\]
\[D = \begin{bmatrix} 9 \\ 2 \\ 5 \end{bmatrix}\]