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8 Relations/Function
Relations and Functions-8th grade math
| Term | Definition |
|---|---|
| Interval | Period of time between 2 events |
| Range | The set of all output values (y-values) |
| Domain | The set of all input values (x-values) |
| Independent Variable | A variable that changes on its own |
| Dependent Variable | A variable that changes in response to another variable. |
| Qualitative Graph | A graph that represents the relationship between 2 quantities without numbers. |
| Function | A rule for taking each input and producing exactly ONE output. |
| Vertical Line Test | A test to determine if a relation is a function that involves plotting points. |
| Arrow Diagram or Mapping Diagram | A test to determine if a relation is a function that requires you to list the domain and the range |
| Relation | A set of ordered pairs. |