Perform the indicated operation, where possible.
-$$
\left[\begin{array}{r}
3 \
-1 \
-4
\end{array}\right]+\left[\begin{array}{r}
-5 \
2 \
8
\end{array}\right]
$$
A) $ \left[\begin{array}{l}2 \ 4 \ 5\end{array}\right] $
B) $ \left[\begin{array}{lll}-2 & 1 & 4\end{array}\right] $
C) $ \left[\begin{array}{r}-2 \ 1 \ 4\end{array}\right] $
D) $ \left[\begin{array}{rr}3 & -5 \ -1 & 2 \ -4 & 8\end{array}\right] $

Question

Quizplus · Accepted Answer

To add two matrices, add their corresponding elements. Thus, $3 + (-5) = -2$, $-1 + 2 = 1$, and $-4 + 8 = 4$, resulting in $\left[\begin{array}{r}-2 \ 1 \ 4\end{array}\right]$.

Perform the Indicated Operation, Where Possible [3−1−4]+[−528]\left[\begin{array}{r}3 \\-1 \\-4\end{array}\right]+\left[\begin{array}{r}-5 \\2 \\8\end{array}\right]​3−1−4​​+​−528​​

Perform the Indicated Operation, Where Possible $\left[\begin{array}{r}3 \\-1 \\-4\end{array}\right]+\left[\begin{array}{r}-5 \\2 \\8\end{array}\right]$