Free direct and inverse variation math topic guide, including step-by-step examples, free practice questions, teaching tips and more!

Apr 2, 2025 · When two quantities are related by a proportion, we say they are proportional to each other. Another way to express this relation is to talk about the variation of the two …

Learn direct and inverse variations with clear examples, definitions, and easy formulas for students needing fast understanding.

Nov 26, 2025 · Learn about direct variation for your IB Maths AI course. Find information on key ideas, worked examples and common mistakes.

Inverse or Indirect Variation, where when one of the variables increases, the other one decreases (their product is constant). For example, the temperature in my house varies indirectly (same …

Jan 19, 2025 · There are two types of proportion: direct and indirect/inverse. These are otherwise known as direct and inverse variations. Two quantities are said to be in direct variations if they …

Sal gives many examples of two-variable equations where the variables vary directly, inversely, or neither.

Jan 1, 2026 · Direct and inverse variation are two different ways that show how one number changes with respect to another number. In direct variation, as one number increases, so does …

A relationship in which one quantity is a constant multiplied by another quantity is called direct variation. Each variable in this type of relationship varies directly with the other.

Direct variation is a critical topic in Algebra 1. A direct variation represents a specific case of linear function, and it can be used to model a number of real-world situations. Inverse variations are …