If an algebraic equation has two variables, x, and y, and each value of x is related to any other value of y, then x is an independent variable, and y is a dependent variable.

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....

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 continuous variables.

Jul 23, 2025 · A variable is like a placeholder or a box that can hold different values. In math, it's often represented by a letter, like x or y. The value of a variable can change depending on the situation. …

Variables in math are symbols, often letters, that represent different values in various situations. They help us understand and solve problems with changing values.

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 determined …

Learn what a variable is in Maths, how to identify and use variables, and see examples with step-by-step solutions for exams and revision.

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

Variables in mathematics are symbols representing unknown numerical values in equations, including dependent and independent types. Explore their definition, classification, and practical applications …

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 and equations.