Practice problem
Solve [22−9−7]∗[−3−9]\begin{bmatrix}2&2\\-9&-7\end{bmatrix}*\begin{bmatrix}-3\\-9\end{bmatrix}[2−92−7]∗[−3−9]
[−2490]\begin{bmatrix}-24\\90\end{bmatrix}[−2490]
[−24−90]\begin{bmatrix}-24\\-90\end{bmatrix}[−24−90]
[6192]\begin{bmatrix}6\\192\end{bmatrix}[6192]
[−3060]\begin{bmatrix}-30\\60\end{bmatrix}[−3060]
Type a concept, like “slope” or “photosynthesis”.
