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The square root of a positive number results in a positive number. For example, the square root of 25 is 5.

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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.

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Q: What is the square root of a positive?
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What does square root of 115 lie between?

The positive square root of 115 lies between the positive square roots of 114 and 116.The positive square root of 115 lies between the positive square roots of 114 and 116.The positive square root of 115 lies between the positive square roots of 114 and 116.The positive square root of 115 lies between the positive square roots of 114 and 116.


Is the square root of any real number always positive?

The square root of a real number is not always positive. The square root of any positive number is positive, the square root of zero is zero (not positive), and the square root of a negative number is complex (i.e. neither positive nor negative). The square root of 16 = -4 or 4. The square root of 0 = 0 The square root of -16 = -4i or 4i


The number 49 has two square roots what are they?

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The positive square root of 289 is 17.


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+6 is the positive square root of 36.


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the principal root is the positive square root.


What 2 numbers would be the square root of 53?

Every positive integer has two square roots, a positive square root and a negative square root. This is because, just like a positive number multiplied by a positive number is equal to a positive number, a negative number multiplied by a negative number is equal to a positive number. Therefore, rounded to two decimal places, the positive square root is equal to 7.28, and the negative square root is -7.28.


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 nonnegative square root of a number?

Definition of Square Root: The Square Root of a number 'X' is equal to 'A' when X=A*A By definition, the square root of a positive number has two answers, one negative and one positive, that have equal magnitudes. i.e. The square roots of 4 are 2 and -2. The Non-Negative Square Root is simply asking for the positive root.


Is the square root of a positive number an irrational number?

Sometimes the square root of a positive number can be irrational, as in the square root of 2 (which is a non-perfect square number), but sometimes it is a rational number, as in the square root of 25 (which is a perfect square number).


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.


Square root of 25 is -5?

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What is the difference between principal square root and perfect square root?

A principal square root is any square root that's answer is positive, and a perfect square root is a square root that's answer is an integer.


What is a principal square root?

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


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The square root of 6724 is 82


What is the principal square root of 225?

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


Besides seventy squared what is the square root of 4900?

Any positive number has two square roots, a positive square root and a negative square root. In this instance, the square root of 4900 is equal to ±70 (that is, 70 and –70).


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.


How can you tell when to put the 'positive and negative' sign when you square root something?

The square root is generally positive or negative and it is only the context of the question that will tell you whether it is the positive root or the negative root. For example, if you are solving for the lengths of the sides of a square, a negative measure makes no sense so it must be the positive root.


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.


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The square root of 361 is 19.


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The positive square root of 64 is 8.


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What is the principal square root of a positive number?

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