Variable (mathematics)

A variable is a symbol that represents a value, often one that changes, like how long you've been awake. Learn ways that we can change an expression's value ...

A variable is a character that has an unknown value and is represented by an alphabet or a letter. A variable can be any letter from 'a' to' z'. However, the ...

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. Why variable when it may have just ...

Variables in math are placeholders for unknown numbers. In math, variables can be used in expressions, equations, and formulas. An example of a variable in use ...

2023年12月26日 — variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Commonly used variables include ...

An independent variable in an algebraic equation is one whose values are unaffected by changes. If an algebraic equation has two variables, x, and y, and each ...

In mathematics, a variable (from Latin variabilis, changeable) is a symbol that represents a mathematical object. A variable may represent a number, ...