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Math Help - graphing

  1. #1
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    graphing

    Graph x-y=2

    graph 3x-y=6
    graph x-3=0
    graph 2(Y-1)=y+2
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  2. #2
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    Quote Originally Posted by shanda99 View Post
    Graph x-y=2

    graph 3x-y=6
    graph x-3=0
    graph 2(Y-1)=y+2
    For the first two, solve the equations for y. Set up a table of arbitrary x values and see what the corresponfing y value is.

    Code:
     
    y = x - 2                   y = 3x - 6
     
    x | y                         x | y
    -----                       --------
    0 |-2                         0 |-6
    1 |                           1 |
    2 |                           2 |
    -1|                          -1 |
    -2|                          -2 |
    For the 3rd one, solve for x to get x = 3.
    You may or may not know that this is the graph of a vertical line through x=3.

    Are you sure you copied the last one correctly.
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