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Math Help - Complete the table for points

  1. #1
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    Nov 2006
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    Complete the table for points

    Please help me on this problem.

    Complete the table so that I can plot the obtained quantities in a cartesian plane





    thnx
    Attached Thumbnails Attached Thumbnails Complete the table for points-complete-table.jpg  
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  2. #2
    Junior Member AlvinCY's Avatar
    Joined
    Feb 2007
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    I live in Sydney, Australia.
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    It's really simple, all they are asking you to do, is to find y at the given x values, all you need to do is put x into the equation, and you'll get y.

    So for the first part:  y = -\frac{1}{2}x-2

    x = 2, y = -3
    x = -6, y = 1

    Plot these two points, join the dots and voila, you've got your first line!

    For the second part:  y = -x-3

    x = 2, y = -5
    x = 4, y = -7

    Plot these two points, join the dots and voila, you've got your seoncd line!
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