Given $A=\begin{pmatrix}4&-6\ 0&8\end{pmatrix}$ and \(B=\begin{pmatrix}-1&2\ 3&-4\end{pmatr

Question

Given $A=\begin{pmatrix}4&-6\ 0&8\end{pmatrix}$ and $B=\begin{pmatrix}-1&2\ 3&-4\end{pmatrix}$, find $\dfrac12A+2B$.[3]

Accepted Answer

$\begin{pmatrix}0&1\ 6&-4\end{pmatrix}$

Scaling matrices with negative entries