Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 11 - Section 11.1 - Solving Quadratic Equations by Completing the Square - Exercise Set: 19

Answer

$z=\pm2i\sqrt 2$

Work Step by Step

$2z^2+16=0$ $2z^2=-16$ $z^2=-8$ $\sqrt z^2=\pm\sqrt-8$ $z=\pm2i\sqrt2$
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.