College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Chapter 1 Review - Exercises: 69

Answer

$x=\pm 4i$

Work Step by Step

$x^{2}+16=0$ $ x^{2}=-16$ $x=\pm\sqrt{-16}=\pm 4i$
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