Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 11 - Rational Expressions and Functions - 11-1 Simplifying Rational Expressions - Lesson Check: 5

Answer

The answer is below.

Work Step by Step

We sometimes need to exclude values because these inputs would not be valid in the original expression. For instance, if x+5 was in the denominator of the original expression, we could not consider x=-5, for if x=-5, then the denominator of the fraction would be 0, which is not allowed.
Update this answer!

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.