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Functions Vocab
For 8th Grade Math
Term | Definition |
---|---|
Function | A type of relation that assigns exactly one output to each input |
Input | The independent variable of a relation |
Linear Function | A function that can be expressed in the form y=mx+b |
Many-To-Many | Describes a relation in which one input is mapped onto many outputs and one output is related to many inputs. |
Many-To-One | Describes a relation in which many inputs are mapped onto one output |
Mapping Diagram | A diagram that pairs a set of inputs with a set of outputs |
Nonlinear Function | A function whose points do not lie on a line |
One-To-Many | Describes a relation in which one input is mapped onto many outputs |
One-To-One | Describes a relation in which each input is mapped onto only one output |
Output | The dependent variable of a relation |
Rate of Change | The ratio of changes in two quantities |
Relation | This pairs a set of inputs with a set of outputs |
Vertical Line Test | A test to determine whether a graph is a function: If a vertical line intersects a graph at more than one point, then the graph does not represent a function. |