Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter R - Test - Chapter R Test: 18

Answer

-15

Work Step by Step

We know that $\sqrt 225=15$, because $15^{2}=225$. Therefore,$-\sqrt 225=-(15)=-15$.
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