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Math Help - Mathamatics 2

  1. #1
    Junior Member allsmiles's Avatar
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    Mathamatics 2

    Which is CLOSEST to the curve of best fit for the data shown?
    A)
    y = -16x2 - 51x + 9
    B)
    y = -0.02x2 + x + 23
    C)
    y = -10x2 - 0.5x + 8
    D)
    y = -0.6x2 - 0.02x + 11


    all help would be apreciated
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  2. #2
    MHF Contributor
    skeeter's Avatar
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    download this free graphing software ...

    Graph
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  3. #3
    MHF Contributor undefined's Avatar
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    For larger x, the value of the squared term will be more significant than the other terms, so you can estimate it in your head. Look at x = 10 for easy numbers.
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  4. #4
    Super Member Anonymous1's Avatar
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    Quote Originally Posted by skeeter View Post
    download this free graphing software ...

    Graph
    Do they have this software for mac?

    I usually use MATLAB to graph stuff. It's definitely not optimal.
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  5. #5
    MHF Contributor
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    Quote Originally Posted by Anonymous1 View Post
    Do they have this software for mac?

    I usually use MATLAB to graph stuff. It's definitely not optimal.
    mac? don't think so ... this program doesn't have a lot of functionality, but it does make nice graphs on the quick and you can save them in .jpeg format for upload here.
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