Practice problem
Calculate. [13−10]−[−18−19]\\\begin{bmatrix}13\\-10\end{bmatrix}-\begin{bmatrix}-18\\-19\end{bmatrix}[13−10]−[−18−19]
[−5−29]\begin{bmatrix}-5\\-29\end{bmatrix}[−5−29]
[319]\begin{bmatrix}31\\9\end{bmatrix}[319]
[−234190]\begin{bmatrix}-234\\190\end{bmatrix}[−234190]
[−31−9]\begin{bmatrix}-31\\-9\end{bmatrix}[−31−9]
Type a concept, like “slope” or “photosynthesis”.
