Answer
undefined; zero
Work Step by Step
The slope of a vertical line is undefined and the line is of the form $x=c$
The slope of a horizontal line is zero and the line is of the form $y=0\times x+c=c$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 1 - Graphs - 1.3 Lines - 1.3 Assess Your Understanding - Page 30: 1
Update this answer!
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.
