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Math Help - Number Patterns

  1. #1
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    Number Patterns

    I can't seem to figure out the pattern in this:
    1001, 502, 254, 110, __, __
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  2. #2
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    Quote Originally Posted by Linnus View Post
    I can't seem to figure out the pattern in this:
    1001, 502, 254, 110, __, __
    neither could I, this was definitely not one to "guess" at ... I got a cubic regression to fit the data using my calculator.

    y = -24.5x^3 + 272.5x^2 - 1145x + 1898

    y(1) = 1001

    y(2) = 502

    y(3) = 254

    y(4) = 110

    y(5) = -77

    y(6) = -454

    whoever came up with this should be slapped.
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  3. #3
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    Quote Originally Posted by skeeter View Post
    neither could I, this was definitely not one to "guess" at ... I got a cubic regression to fit the data using my calculator.

    y = -24.5x^3 + 272.5x^2 - 1145x + 1898

    y(1) = 1001

    y(2) = 502

    y(3) = 254

    y(4) = 110

    y(5) = -77

    y(6) = -454

    whoever came up with this should be slapped.
    Yea, I tried that too.

    But wouldn't you put 1001, 502, 254 in list 1 and 502, 254, and 110 in list 2 because if y=pattern
    then y(1001)=502, y(502)=254, and y(254)=110?
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  4. #4
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    Apparently...the pattern was lacking some numbers...but I still can't figure out the new pattern

    1001, 502, 254, 205, 133, 110,__, __
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