Practice problem
Solve [26−9−7]∗[47]\begin{bmatrix}2&6\\-9&-7\end{bmatrix}*\begin{bmatrix}4\\7\end{bmatrix}[2−96−7]∗[47]
[780]\begin{bmatrix}78\\0\end{bmatrix}[780]
[50−85]\begin{bmatrix}50\\-85\end{bmatrix}[50−85]
[38−94]\begin{bmatrix}38\\-94\end{bmatrix}[38−94]
[58−62]\begin{bmatrix}58\\-62\end{bmatrix}[58−62]
Type a concept, like “slope” or “photosynthesis”.