Unit 2: Ratios and Proportional Relationships Vocabulary

Key vocabulary terms and definitions covering ratios, unit rates, ratio tables, and proportional relationships.

Ratio

A comparison of two numbers that should always be simplified.

Proportional Relationship

A relationship between two quantities where their ratios are equivalent.

Rate

A comparison of two different units (for example, miles per hour).

Ratio Table

A table used to visualize the relationship between two separate quantities.

Unit Rate

Describes how many units of the first quantity of a ratio correspond to one unit of the second quantity.

Proportional Graph

A graph representing a proportional relationship that forms a straight line passing through the origin $(0,0)$ with a constant ratio.

Non-Proportional Relationship

A relationship where the ratio changes and the graphed line does not pass through the origin $(0,0)$