Answer
Please see the graph.
Work Step by Step
Three points on the line are $(-1,3), (1,3),$ and $(7,3)$. All points on this line have a common coordinate in $y=3$.
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.