Decide whether a matrix product is defined and give its order
The matrices \(C\) and \(A\) are shown below
\[C = \begin{bmatrix} 1 & -1 & 1 \\ -6 & -1 & -5 \end{bmatrix}\]
\[A = \begin{bmatrix} 4 & 8 \\ 8 & 6 \\ -9 & 3 \end{bmatrix}\]
The matrices \(C\) and \(A\) are shown below