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
- A constant can be any real number, including integers, fractions, and irrational numbers.
- In an equation like $y = mx + b$, the $b$ represents the constant term.
- Constants can be positive, negative, or zero.
- When solving equations, constants are isolated from variables during manipulation.
- Constants are often used to represent fixed values in mathematical models.
Review Questions
- What is a constant in the equation $3x + 5 = y$?
- Can a constant ever change its value in an algebraic expression?
- How does a constant differ from a variable?
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Study guides (1)
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: $An\ mathematical\ statement\ that\ asserts\ the\ equality\ of\ two\ expressions.$
