Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 9 - Section 9.4 - Imaginary Numbers as Solutions of Quadratic Equations - Exercise Set: 13

Answer

$10+i\sqrt{3}$

Work Step by Step

Using the properties of radicals and that $i=\sqrt{-1}$, then the given expression, $ 10+\sqrt{-3} ,$ is equivalent to \begin{array}{l}\require{cancel} 10+\sqrt{-1}\cdot\sqrt{3} \\\\= 10+i\cdot\sqrt{3} \\\\= 10+i\sqrt{3} .\end{array}
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.