Perform the indicated operation.
-$$\left[ \begin{array} { r r }
- 4 & 1 \
2 & 5
\end{array} \right] + \left[ \begin{array} { l l }
6 & 2 \
1 & 1
\end{array} \right]$$
A) $[ 14 ]$

B) $\left[ \begin{array} { r r } 2 & - 2 \ - 3 & - 3 \end{array} \right]$

C) $\left[ \begin{array} { l l } 3 & 4 \ 2 & 6 \end{array} \right]$

D) $\left[ \begin{array} { l l } 2 & 3 \ 3 & 6 \end{array} \right]$

Question

Perform the indicated operation.
-$$\left[ \begin{array} { r r } 
- 4 & 1 \
2 & 5
\end{array} \right] + \left[ \begin{array} { l l } 
6 & 2 \
1 & 1
\end{array} \right]$$
A) $[ 14 ]$

B) $\left[ \begin{array} { r r } 2 & - 2 \ - 3 & - 3 \end{array} \right]$

C) $\left[ \begin{array} { l l } 3 & 4 \ 2 & 6 \end{array} \right]$

D) $\left[ \begin{array} { l l } 2 & 3 \ 3 & 6 \end{array} \right]$

Quizplus · Accepted Answer

The matrices are added element-wise: $[-4+6, 1+2; 2+1, 5+1] = [2, 3; 3, 6]$.

Perform the Indicated Operation [−4125]+[6211]\left[ \begin{array} { r r } - 4 & 1 \\2 & 5\end{array} \right] + \left[ \begin{array} { l l } 6 & 2 \\1 & 1\end{array} \right][−42​15​]+[61​21​]

Perform the Indicated Operation $\left[ \begin{array} { r r } - 4 & 1 \\2 & 5\end{array} \right] + \left[ \begin{array} { l l } 6 & 2 \\1 & 1\end{array} \right]$