Algebra 1

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

Chapter 1 - Foundations for Algebra - 1-6 Multiplying and Dividing Real Numbers - Practice and Problem-Solving Exercises - Page 42: 23



Work Step by Step

We recall that 30 to the second power is 30$\times$30, which equals 900. Thus, we find: $\sqrt {900} = \sqrt {30 \times 30} =\sqrt {30^{2}}=30$ However, there is a negative in front of the square root, so we make our answer -30.
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.