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    cbarajas's Avatar
    cbarajas Posts: 2, Reputation: 1
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    #1

    Nov 10, 2010, 07:57 PM
    Writing an equation to represent a table
    what is an equation for the following table x 5 6 7 8 9
    y 5 7 9 11 13
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Nov 10, 2010, 11:41 PM

    Can you find the gradient of this line?
    If so, then use:



    where m is the slope or gradient of the line,
    y1 being one y coordinate and x1 being the corresponding x coordinate.
    cbarajas's Avatar
    cbarajas Posts: 2, Reputation: 1
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    #3

    Nov 11, 2010, 11:01 AM
    2x-5=y
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #4

    Nov 11, 2010, 11:28 AM

    Yes, that's it! Well done :)
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