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Square root - Wikipedia. Notation for the (principal) square root of x. For example, √ 25 = 5, since 25 = 5 ⋅ 5, or 52 (5 squared). In mathematics, a square root of a number x is a number y such that ; in other words, a number y whose square (the result of multiplying the number by itself, or ) is x. [1] .
Learn what is a square root, how to find it using different methods, and its properties and applications. See examples of square roots of perfect and imperfect squares, decimals, negatives and complex numbers.
- A square root is a value that gives the original number when multiplied by itself.
- To find the square root, we can use four methods: Prime factorization, Repeated Subtraction, Long division and Estimation method.
- ‘√’ is a radical symbol used to denote square root of a number.
- The square root is just the opposite process of squaring a number. Suppose we square a number n, such as n 2 , then the square root of n 2 is equal...
- By using prime factorization, we can find the square root of perfect squares.
- By using the long division method, we can find the square root of imperfect squares.
Learn how to square a number and find its square root, with examples, diagrams and exercises. Discover the perfect squares, negative numbers, decimal numbers and the square root symbol.
Learn how to find the square root of any positive number using the calculator or the formula. Explore the properties, graph, and function of square roots, as well as the origin and meaning of the symbol √.
Learn the meaning and usage of the square root symbol and how to solve simple square root equations. Watch the video and read the questions and answers from other learners about square roots and related topics.
- 5 min
Learn what square roots are, how to write them, and how to estimate and calculate them. Explore the properties and applications of square roots in math and science.