key term - Constant

Definition

A constant is a value that does not change. In algebra, it is often a number without any variables attached to it.

5 Must Know Facts For Your Next Test

1. A constant can be any real number, including integers, fractions, and irrational numbers.
2. In an equation like $y = mx + b$, the $b$ represents the constant term.
3. Constants can be positive, negative, or zero.
4. When solving equations, constants are isolated from variables during manipulation.
5. Constants are often used to represent fixed values in mathematical models.

Review Questions

Related terms

Variable:

A symbol that represents one or more numbers; its value can change.

Coefficient:

A numerical factor multiplied by a variable in an algebraic expression.

Equation:

$An\ mathematical\ statement\ that\ asserts\ the\ equality\ of\ two\ expressions.$