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Earn +20 ptsQ: What is a principal roots?
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What do you call nonnegative square roots?
You call them principal square roots.
Every positive number has two square roots the principal square root and its opposite?
true
How do you find positive and negative square roots?
The two square roots of a real number (other than 0) have the same value: one is the additive opposite of the other.So, the principal square root of 16 is 4. Then the other sqrt is -4.The principal sqrt of 2 is approx 1.424 and the other is -1.424.
What are the two square roots of 256?
A positive number has two square roots, its principal (positive) root and its negative root. This is because a negative number multiplied by a negative number equals a positive number. In this instance, the square roots of 256 are 16 and -16.
What is the principal positive square root of 5 rounded to the nearest hundredth?
5.00
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