13.4 Understanding tables of values of linear relationships

Understanding tables of values of linear relationships

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.

Lessons

  • 1.

    x

    4

    5

    6

    7

    8

    y

    21

    28

    35

    42

    49

  • 2.
    Is the relationship for each table of values linear? Explain and check your answer by graphing the values.
  • 3.
    Mary wants to rent a truck. The base rate of truck rental is $30, plus $2 per kilometre it travels.
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Understanding tables of values of linear relationships

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