Answer
Fill the blank with
$\pm\sqrt{7}$
Work Step by Step
Apply the square root property,
If $u^{2}=d$ then $u=\pm\sqrt{d}$
Here, $x^{2}=7$, so
$x=\pm\sqrt{7}$
Fill the blank with
$\pm\sqrt{7}$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Section P.7 - Equations - Concept and Vocabulary Check - Page 105: 15
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.
