Algebra

Rational Functions

Square roots

         

Evaluate

25. \sqrt{ 25 } .

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

NOTE: The notation 144 \sqrt{144} means the same thing; that is, it indicates by default the positive square root. If both roots are desired the notation ±144 \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 XX is 4. What is XX?

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