Question

Not really sure how to go about answering this question about operations and matrices..

Answer 1

\[C-B=\left[\begin{matrix}2-9 & 14-(-6) \\ (-6)-4 & 5-8 \\ 4-10 & 9-12\end{matrix}\right] = \left[\begin{matrix}-7 & 20 \\ -10 & -3\\-6 & -3\end{matrix}\right]\]

Option C

Answer 2

\[-4F=-4\left[\begin{matrix}1 & -3 \\ 2 & 0\end{matrix}\right]=\left[\begin{matrix}-4*1 & -4*-3 \\ -4*2 & -4*0\end{matrix}\right]=\left[\begin{matrix}-4 & 12 \\ -8 & 0\end{matrix}\right]\]

Option C

Answer 3

Sorry A. Cut and paste mistake

Answer 4

help with 4 and 5?