Practice problem
Calculate. [43]+[39]\\\begin{bmatrix}4\\3\end{bmatrix}+\begin{bmatrix}3\\9\end{bmatrix}[43]+[39]
[712]\begin{bmatrix}7\\12\end{bmatrix}[712]
[1−6]\begin{bmatrix}1\\-6\end{bmatrix}[1−6]
[1227]\begin{bmatrix}12\\27\end{bmatrix}[1227]
[4339]\begin{bmatrix}43\\39\end{bmatrix}[4339]
Type a concept, like “slope” or “photosynthesis”.
