The student likely meant to say 'perpendicular' instead of 'parallel'. Another line parallel to $y= 1/3*x + 1$ is actually $y = 1/3*x$.
Work Step by Step
$1/3 * -3 = -1$ The lines are perpendicular, not parallel.
You can help us out by revising, improving and updating this answer.Update this answer
After 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.