Work Step by Step
For the slope to be undefined, we know that x must not be changing while y is changing. The x point in the first point is 3. Thus, for x not to change, the second x point must be 3.
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.