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Q: Every positive number has two square roots the principal square root and its opposite?
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Related questions

What is the principal square root of a positive number?

A positive number has two square roots, that is, there are two solutions to an equation like x2 = 100. The "principal square root" refers to the positive solution.


What is the principal square root of 9?

The principal square root of 9, the positive integer which is the square root of the number, is 3.


Every positive number has two square roots a square root and its opposite?

the answer is opposite for apex users and its true


What is the principal root of -25?

The principal root of a number is the positive real square root of the number - if it exists. Since -25 is negative, it does not have a real square root. Its square roots are the imaginary numbers +/-5i where i is the [imaginary] square root of -1. i is neither positive nor negative and so neither +5i nor -5i is a principal root.


How many square roots does the number 13 have?

Every positive number has TWO square roots. The principal square root is the positive number which, when multiplied by itself, gives the number in question. But its negative equivalent will also be a square root. For example, the number 4 has 2 as the principal sqrt but -2 is also a sqrt of 4


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.


Every positive number has two square roots what are they?

The principal square root is a positive number which, when multiplied by itself, gives the original number. The second square root is the negative of the principal square root. So, for example, starting with 144. The principal square root is 12 because 12*12 = 144 and the second square root is -12.


What is the principal square root of x?

Restricting the discussion to real numbers for now. In this case, the square root is only defined for non-negative numbers; the principal square root of a positive number is the POSITIVE square root. For example, both +5 and -5 are square roots of 25, since both - when squared - give you 25. But the positive square root (+5) is called the principal square root, and if you write the square root symbol, that's the number usually meant.


What is the the positive square root of a number indicated by the radical sign?

It is the principal square root.


What is the principal square root of 225?

The principal (positive) square root of 225 is 15.


How do you reverse a square root?

The opposite of a square root is the square of a number. For example, the principal square root of 81 is 9, while the square of 9 is 81.


Every positive number has 2 square roots a square root and its opposite?

Yes, but it is not the case that one is the square root and the other is its opposite. Both are equal square roots with the other one being its opposite.


What would be of the square root of a number if there is no sign in front of the square root symbol?

If unspecified, the square root is the principal root, which is the positive root.


What principal nth root?

That refers to the positive root, at least if you take the root of a positive number. For example, 25 has two square roots - two numbers which, when squared, give 25. The positive one (+5) is called the principal square root (or 2nd. root).


What is a principal roots?

The principal root is the positive square root.


What is a principal square root?

The principal square root is the non-negative square root.


What is the square root of a positive?

The square root of a positive number results in a positive number. For example, the square root of 25 is 5. * * * * * Not true! There are two real square roots for every positive number: one positive and one negative. -5 is as much a square root of 25 as +5 is. However, the positive root is the principal root and so is often presented as the only root.


What is X - square root of x?

Restricting the discussion to real numbers for now. In this case, the square root is only defined for non-negative numbers; the principal square root of a positive number is the POSITIVE square root. For example, both +5 and -5 are square roots of 25, since both - when squared - give you 25. But the positive square root (+5) is called the principal square root, and if you write the square root symbol, that's the number usually meant.


Every positive number has two square roots a principle square root and its?

The second root would be the negative of the principal root.


What is the principal square root of a positive real number is always sometimes or never a negative?

never a negative


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 is the princpal of a square root?

the principal root is the positive square root.


The square of a positive integer?

The square of a positive number is positive. By the way, the square of a negative number is also positive.


What is the definition of principal square root?

A number will have both a positive and negative square root 5 x 5 = 25 and -5 x -5 = 25.


What is the principal positive square root of 16?

+4.