Answer
principal
Work Step by Step
RECALL:
$\sqrt{a}$, where $a \ge 0$, represents the principal (or non-negative) square root of $a$.
Thus, the missing word in the given statement is $\underline{\text{principal}}$.
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.3 - Radicals and Rational Exponents - Concept and Vocabulary Check - Page 45: 1
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