Answer
$$\vec{PQ}=<2,9>$$
Work Step by Step
$\vec{PQ}=\vec{OQ}-\vec{OP}=<3,5>-<1,-4>=<2,9>$
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.