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This is basically undone by squaring the number.

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βˆ™ 8y ago
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βˆ™ 8y ago

Multiply it by the same number

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Q: How do you you undo the square root of a number?
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Related questions

How do you undo a square root?

square it


What is square root of a number?

The square root is the number which is times by itself, to get the square number.


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).


How do you undo squaring a number?

To square a number, you multiply it times itself, for example 3^2 = 3x3 = 9. To "undo" the squaring of a number, you determine its square root. In this case, the square root of 9, or √9. If the number is a perfect square, then the answer is the number that you have to square to get the number under the radical, √. For instance, √9 = 3 because 3^2 = 3x3 = 9. For numbers that are not perfect squares, or for any other number that you find difficult to work with, use your calculator. Different calculators have different keys and instructions, so you should read the instructions that came with your calculator, or look up the instructions online.


What is the difference between a square root and a square number?

3 is the square root of 9. 9 is a square number. 9 is the square root of 81. 81 is a square number.


How do you square root in my maths?

the square root of a number is the number that is multiplied by itself to get that number, for example the square root of 9 is 3


What is the square root of a negative number plus the square root of a negative number?

Nothing. You cannot have a square root of a negative number. The square root of negative one is called i, but i is an imaginary number. It does not exist and does not follow the properties of real numbers. (For example, if a and b are positive, then the square root of a times the square root of b is the square root of ab. But the square root of -7 is not the square root of 7 times i.)


What is the square root of a square that has no root?

It's not a square if it has no root. If a number is a square then, by definition, it MUST have a square root. If it did not it would not be a square.


What is the square root of the number 9?

The number 3 is the square root of the number 9 !


Is the square root of 25 a rational number?

Oh, dude, the square root of 25 is 5, which is a whole number and can be expressed as a fraction 5/1. So, yes, it is a rational number because it can be written as a ratio of two integers. But hey, who really cares about all that math stuff anyway, right?


Is the square root of fifty a natural number?

No - a natural number is a whole number. Therefore, the square root of 49 is a natural number, but the square root of 50 is not.


What is the square root of 51?

The square root of 51 is an irrational number and it is about 7.14128429