Perform the operation or operations when possible.
-$$\left[ \begin{array} { r }
3 \
- 1 \
- 4
\end{array} \right] + \left[ \begin{array} { r }
- 5 \
1 \
7
\end{array} \right]$$
A)
$\left[ \begin{array} { l l l } - 2 & 0 & 3 \end{array} \right]$
B)
$\left[ \begin{array} { l } 2 \ 3 \ 4 \end{array} \right]$
C)
$\left[ \begin{array} { r r } 3 & - 5 \ - 1 & 1 \ - 4 & 7 \end{array} \right]$
D)
$\left[ \begin{array} { r } - 2 \ 0 \ 3 \end{array} \right]$

Question

Perform the operation or operations when possible.
-$$\left[ \begin{array} { r } 
3 \
- 1 \
- 4
\end{array} \right] + \left[ \begin{array} { r } 
- 5 \
1 \
7
\end{array} \right]$$
A)
$\left[ \begin{array} { l l l } - 2 & 0 & 3 \end{array} \right]$
B)
$\left[ \begin{array} { l } 2 \ 3 \ 4 \end{array} \right]$
C)
$\left[ \begin{array} { r r } 3 & - 5 \ - 1 & 1 \ - 4 & 7 \end{array} \right]$
D)
$\left[ \begin{array} { r } - 2 \ 0 \ 3 \end{array} \right]$

Quizplus · Accepted Answer

To find the sum of two vectors, add their corresponding components: $3 + (-5) = -2$, $-1 + 1 = 0$, and $-4 + 7 = 3$. This results in the vector $\left[ \begin{array} { r } - 2 \ 0 \ 3 \end{array} \right]$.

Perform the Operation or Operations When Possible [3−1−4]+[−517]\left[ \begin{array} { r } 3 \\- 1 \\- 4\end{array} \right] + \left[ \begin{array} { r } - 5 \\1 \\7\end{array} \right]​3−1−4​​+​−517​​

Perform the Operation or Operations When Possible $\left[ \begin{array} { r } 3 \\- 1 \\- 4\end{array} \right] + \left[ \begin{array} { r } - 5 \\1 \\7\end{array} \right]$