## Radical

### An expression made up of a radical symbol and a radicand.

A radical is a mathematical symbol used to represent an expression involving roots, often square roots or cube roots. The radical sign is represented by a symbol that looks like the letter V with a horizontal bar extending from the top left to the top right of the V.

For example, the square root of 25 is represented as √25, where the radical sign (√) indicates the operation of taking the square root and the number under the sign (25) is the radicand. To simplify the expression, we can evaluate the square root to obtain the value of the expression:

√25 = 5

The radical sign can also be used with indices other than 2 (i.e. square roots). For example, the cube root of 27 is represented as ³√27. In general, the nth root of a number x is represented as ⁿ√x.

Radicals are often used in expressions involving geometry and physics. They can also be used in algebraic expressions, such as when solving equations involving quadratic equations or higher degree polynomial functions. Understanding how to work with radicals is an important skill in mathematics and related fields.

##### More Answers:

The Fundamentals Of The Associative Property In Arithmetic And AlgebraThe Power Of The Commutative Property In Math: Addition, Multiplication, And Beyond

Calculate Distances On A 2D Plane With The Distance Formula