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Earn +20 ptsQ: Is the principal square root of an even number even?
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What is the the positive square root of a number indicated by the radical sign?
It is the principal square root.
Can a natural number be a square root?
Yes. For example, 3 is the [principal] square root of 9.
When a number is even is the root even too?
The square root of an even number can be an even number (if it is a perfect square), or an irrational number (if it is not).
How do you find the two square roots in a number?
Use a calculator (if you need) to find the principal square root. The second square root is the negative of the number.
Every positive number has two square roots a principle square root and its?
The second root would be the negative of the principal root.
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