Understanding tables of values of linear relationships

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Now Playing:Understand tables of values of linear relations – Example 1a
Examples
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  1. x

    4

    5

    6

    7

    8

    y

    21

    28

    35

    42

    49

    1. Draw a graph that shows the relationship between the values of x and y.

    2. Describe the relationship.

    3. Write an equation for x in relation to y.

Identifying proportional relationships
Notes
Linear equations represent direct proportional relationships between x and y. A table of values contains the exact values of x and y. In this section, we will learn how to draw graphs based on the data from tables of values. From the tables and graphs, we will try to describe and determine whether the relationships are linear or not.
Prerequisites