Algebra
# Rational Functions

Evaluate

\[ \sqrt{ 25 } .\]

Which of the following is the positive square root of 144?

NOTE: The notation \( \sqrt{144} \) means the same thing; that is, it indicates by default the positive square root. If both roots are desired the notation \( \pm \sqrt{144} \) is used.

What is the positive square root of 1?

What is the positive square root of 9?

The positive square root of a number \(X\) is 4. What is \(X\)?

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