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Math Help - Quadratic equation

  1. #1
    Newbie
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    Feb 2010
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    Quadratic equation

    Can anyone solve this quadratic equation

    y = 2x - 6
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  2. #2
    Super Member
    Joined
    Jan 2008
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    Can't really 'solve' this, but I think you meant

    2x - 6 = 0
    2(x - 3) = 0
    x = 3
    x =  \pm \sqrt 3

    If you really wanted to solve y = 2x - 6

    2x - (6+y) = 0
    2x = 6 + y
    x = 0.5 (6+ y)
    x =  \pm \sqrt {\frac{1}{2} (6+y)}
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