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Definition

A variable often used to represent inputs or independent variables in mathematical equations and functions.

Related terms

Independent Variable: The variable that is manipulated or controlled in an experiment or equation.

Coordinate Plane: A plane formed by two number lines (x-axis and y-axis) intersecting at right angles. Points are represented by their coordinates (x, y).

Domain: The set of all possible values for the independent variable (usually represented by x) in a function or equation.