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# What is the opposite of a square root?

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The opposite of finding the square root of a number is squaring the number. Squaring a number means multiplying the figure by itself. For example, the square root of four is two, and two squared is four.

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Squaring is the same as raising a number to the power of two. It is usually denoted by putting a two in superscript after the number. The adjective used when describing squaring is "quadratic." A square of an integer is called a square number or a perfect square. Integers are numbers that can be represented without any fractions. For example, 245, -15 and 0 are integers. Therefore, 60,025, 225 and 0 are perfect squares, as they are the corresponding squares of those integers.

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## Related Questions

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The square root of 17 is approximately 4.12. Since 17 is a prime number, it cannot be rewritten in simplified radical form. The square root of 17 can be found by using the radical sign function on both scientific and graphing calculators.

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The principal (positive) square root of 54 is 7.35 to two decimal places. There is also a negative square root, which is -7.35 to two decimal places.

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The square root of 27 is 5.19615242271. The number 27 is not a perfect square, so it does not have an exact square root. Numbers such as 36, 49 and 121 are perfect squares and have exact square roots.