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Math Help - Demand curve

  1. #1
    Newbie
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    Jan 2013
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    Malaysia
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    Demand curve

    May i know how to form quadratic equation for demand curve?
    Data is shown below :
    Unit Price (P) in $ Quantity Demanded (Q) in units
    P Q
    0 500
    5 450
    8 372
    10 300
    12 212
    15 50
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  2. #2
    MHF Contributor
    Joined
    Sep 2012
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    Australia
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    Re: Demand curve

    Hey jiawen921212.

    Do you have to fit the curve through all the points or just find the best fit?

    Also have you heard of least squares fitting?
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