Answer
See below.
Work Step by Step
Plugging in the values to the correct places: \[
\left[\begin{array}{r}
-1 \\
1 \\
1\\
-5
\end{array} \right]
\]
As we can see, it is a $4\times1$ matrix.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.