Practice problem
Solve for the unknown row vector. 7[xyz]=[638428]\\7\begin{bmatrix}x&y&z\end{bmatrix}=\begin{bmatrix}63&84&28\end{bmatrix}7[xyz]=[638428]
[441588196]\begin{bmatrix}441&588&196\end{bmatrix}[441588196]
[567721]\begin{bmatrix}56&77&21\end{bmatrix}[567721]
[709135]\begin{bmatrix}70&91&35\end{bmatrix}[709135]
[9124]\begin{bmatrix}9&12&4\end{bmatrix}[9124]
Type a concept, like “slope” or “photosynthesis”.
