Definition of Relation

A set of input and output values, usually represented in ordered pairs, refers to a Relation.

More about Relation

    Relation is generally represented by a mapping diagram and graph

Example of Relation

    The mapping diagram of the relation {(1, 2), (3, 6), (5, 10)} is shown below.
    Example of Relation

Video Examples: Relations and Functions

Solved Example on Relation

Ques: Choose a graph that represents the relation {(3, - 4), (5, - 4), (- 6, - 4), (2, 3)}.

    A. Graph 3
    B. Graph 1
    C. Graph 4
    D. Graph 2
    Correct Answer: D


    Step 1: Graph each ordered pair on a coordinate plane
    Step 2: The graph that represents the relation {(3, - 4), (5, - 4), (- 6, - 4), (2, 3)} is Graph 2
    Example on Relation

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