In algebra, a variable is usually a letter or other symbol that stands for a number or quantity that may vary.

Variable algebra definition. An algebraic expression including two or more terms with the exponents of the variables as whole numbers is known as a polynomial. You can't do algebra without working with variables, but variables can be confusing. We have a new and improved read on this topic.

A number on its own is called a constant. Variable variables are symbol or letters that used to represent for unknown numbers or values. In algebra, variables are placeholder letters (capitalized and lowercase) that represent the unknown, or what you're.

It includes all the algebraic expressions. The basic building blocks of an algebraic expression are variables and constants and operating symbols. A symbol that has a fixed numerical value is called a constant.

It is usually a letter like x or y. In the case of x +. A variable in mathematics is defined as the alphabetic character that expresses a numerical value or a number.

An algebraic expression is one or more algebraic terms used to express a concept. Explore book buy on amazon. Generally, we use a single letter or alphabet to represent a.

If you've ever wondered what variables are, then this tutorial is for you!. A variable is a quantity that may be changed. A variable is a symbol for a number we don't know yet.