Coordinates, Coordinates are a set of values that show an exact position., Ordered Pairs, two numbers written in a certain order; usually written in parentheses like this: (2,0); can be used to show the position on a graph, where the "x" (horizontal) value is first, and the "y" (vertical) value is second, Relation, a set of ordered pairs, Function, A function is a relationship where each input has a single output., Domain, x-values of a function, Input, another word for domain, they are the values that are plugged into a function, Range, y-values of a function, Output, another word for range; they are values that a function produces after being evaluated, Vertical Line Test, A test used to see if a graph of a relation is a function or not. It is used to see if the x-values in a graph repeat.

Module 4 Lesson 2

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