Question

A (blank) is the nonnegative Square root of a number

Answer 1

Answer:

principal square root

Step-by-step explanation:

Let $x^2=a$.

Then $x=\pm\sqrt{a}$

We have a negative square root for x, which is $x=-\sqrt{a}$ and a nonnegative square root,which is $x=+\sqrt{a}$

The nonnegative square root is callled the principal square root .

Therefore the best complete to the statement;

A -------- is the nonnegative Square root of a number, is principal square root.