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Square root - Wikipedia


In mathematics, a square root of a number a is a number y such that y<sup>2</sup> = a; in other words, a number y whose square is a. For example, 4 and −4 are square ...

Square Root Calculator - Math.com


The Square Root Calculator will find the square root of the number you enter. ... Related Topic How to calculate square roots without a calculator ...

The square root of a number, x, is the number that equals x when multiplied by itself.
The square root of 4 is 2, since 2 multiplied by itself equals 4.

Squares and Square Roots - Math is Fun


"Squared" is often written as a little 2 like this: square root of 9 is 3. This says "4 Squared equals 16" (the little 2 says the number appears twice in multiplying) ...

Square roots and real numbers (Pre-Algebra, Right triangles and ...


All positive real numbers has two square roots, one positive square root and one negative square root. The positive square root is sometimes referred to as the ...

Table of Squares and Square Roots - Fact Monster


Use this table to find the squares and square roots of numbers from 1 to 100. ... you will have to use a calculator (44.721 is the more exact square root of 2,000).

What is the opposite of a square root? | Reference.com


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 ...

Numbers - Square Roots - First Glance - Math.com


Finding the square root of a number is the inverse operation of squaring that number. Remember, the square of a number is that number times itself. The perfect ...

Numbers - Square Roots - In Depth - Math.com


Many mathematical operations have an inverse, or opposite, operation. Subtraction is the opposite of addition, division is the inverse of multiplication, and so on.

Popular Q&A
Q: Why can't the square root of 4 be -2 instead of 2, if -2 time...
A: Both 2 and –2 are square roots of 4. I presume the question is about the notation a . Part of it is convenience. It's convenient to have a notation to dist... Read More »
Source: www.quora.com
Q: Algorithm - Why do we check up to the square root of a prime ...
A: To test whether a number is prime or not, why do we have to test ... If a number n is not a prime, it can be factored into two factors a and b : n = a*b. Read More »
Source: stackoverflow.com
Q: What is the square root of 1? - Quora
A: (Only) 1 is the square root of 1 (written 1 ). Either 1 or −1 is a square root of 1 ( written ± 1 ), since either is a solution of x 2 = 1 , but that was not th... Read More »
Source: www.quora.com
Q: What is the difference between square root and under root? - Quor...
A: Under root:- It can be used for any root. A square root or cube root or nth root. 25 under root to the power 2 is basically square root of 25, which is 5. 729 ... Read More »
Source: www.quora.com
Q: Is the square root of a positive number positive? - Quora
A: Yes. If you say “the square root” or write x , you're conventionally referring to the principal square root, which for a positive radicand x is the positiv... Read More »
Source: www.quora.com