Perform the indicated operation, where possible.
-$ \left[\begin{array}{rr}-9 & 1 \ 2 & 5\end{array}\right]+\left[\begin{array}{ll}6 & 2 \ 6 & 3\end{array}\right] $
A) $ \left[\begin{array}{ll}3 & 4 \ 4 & 8\end{array}\right] $
B) $ \left[\begin{array}{rr}-3 & 3 \ 8 & 8\end{array}\right] $
C) $ \left[\begin{array}{ll}-3 & -7 \ -3 & -6\end{array}\right] $
D) Not possible

Question

Quizplus · Accepted Answer

To add two matrices, add their corresponding elements. For the given matrices, $(-9+6, 1+2)$ and $(2+6, 5+3)$ results in $(-3, 3)$ and $(8, 8)$, respectively.

Perform the Indicated Operation, Where Possible [−9125]+[6263] \left[\begin{array}{rr}-9 & 1 \\ 2 & 5\end{array}\right]+\left[\begin{array}{ll}6 & 2 \\ 6 & 3\end{array}\right] [−92​15​]+[66​23​]

Perform the Indicated Operation, Where Possible $\left[\begin{array}{rr}-9 & 1 \\ 2 & 5\end{array}\right]+\left[\begin{array}{ll}6 & 2 \\ 6 & 3\end{array}\right]$