Illustrated definition of Variable: A symbol for a value we don't know yet. It is usually a letter like x or y. Example: in x + 2 = 6, x is the variable....

In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation or an algebraic expression. In simple words, a variable is a quantity that can be changed and …

Jul 23, 2025 · In math, it's often represented by a letter, like x or y. The value of a variable can change depending on the situation. For example, if you have the equation y = 2x + 3, the …

One of the variables, N, the number of particles, is a positive integer (and therefore a discrete variable), while the other three, P, V and T, for pressure, volume and temperature, are …

What Is a Variable Definition in Maths? A variable in maths is a symbol—often a letter like x, y, or n—that stands for a number whose value can change or is not known yet.

Learn what a variable is in math with simple explanations. Understand its definition, types, and the difference between dependent & independent variables.

In algebra, a variable is usually a letter or other symbol that stands for a number or quantity that may vary. Variables can also be used to represent functions as well as quantities in other …

A variable is a quantity that may change within the context of a mathematical problem or experiment.

In mathematics, variables are symbols that represent unknown values. They are usually denoted by letters such as x, y, z, a, b, c, etc. Variables are used in various mathematical operations …

A variable is independent if you get to pick its value; it's dependent if all you can do is solve for its one fixed value. In other words, a "dependent" variable is one whose value has already been …