Type [b]M={{1,3},{2,4}} [/b]in the input bar and press enter to add the matrix [math]\left(\begin{matrix}1\\2\end{matrix}\begin{matrix}3\\4\end{matrix}\right)[/math].[br]Type [b]N={{0,-1},{1,0}} [/b]in the input bar and press enter to add the matrix [math]\left(\begin{matrix}0\\1\end{matrix}\begin{matrix}-1\\0\end{matrix}\right)[/math].[br][b][br]P=M*N[/b] will find the product MN.[br] [br][b]A’=M*A [/b]will find the image of a point [b]A[/b] under the transformation defined by matrix [b]M[/b].[br][br]The command [b]ApplyMatrix[M,poly1][/b] will find the image of the polygon [b]poly1[/b] under the transformation defined by matrix [b]M[/b].