Matrix Transforms

2D Linear Transforms

Given $T=\left[\begin{array}{ccc}2&0&3\\0&-0.5&-5\\0&0&1\end{array}\right]$ and $V=\left[\begin{array}{c}2\\7\\1\end{array}\right]$ then $T\times{V}=$
Given $T=\left[\begin{array}{ccc}-3&0&-3\\0&0.5&5\\0&0&1\end{array}\right]$ and $V=\left[\begin{array}{c}-4\\9\\1\end{array}\right]$ then $T\times{V}=$

3D Linear Transforms

Given $T=\left[\begin{array}{cccc}5&0&0&-5\\0&2&0&-7\\0&0&0.25&4\\0&0&0&1\end{array}\right]$ and $V=\left[\begin{array}{c}2\\-7\\6\\1\end{array}\right]$ then $T\times{V}=$
Given $T=\left[\begin{array}{cccc}-5&0&0&6\\0&3&0&7\\0&0&-0.5&-1\\0&0&0&1\end{array}\right]$ and $V=\left[\begin{array}{c}-3\\5\\-4\\1\end{array}\right]$ then $T\times{V}=$

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