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Math Help - coming up with a single expression

  1. #1
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    coming up with a single expression

    Hello, ok, so i have 2 columns like this:

    x and y
    1 100
    2 75
    3 50
    4 25

    Can someone come up with a single mathematical expression that relates x and y like y=...... ?
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  2. #2
    MHF Contributor Mathstud28's Avatar
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    Yes

    Quote Originally Posted by Octavarium View Post
    Hello, ok, so i have 2 columns like this:

    x and y
    1 100
    2 75
    3 50
    4 25

    Can someone come up with a single mathematical expression that relates x and y like y=...... ?
    y=125-x
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  3. #3
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    Apr 2008
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    ^ that doesn't work out...i actually wenthere Equation Generator punched in my numbers and it turns out to be y= -25x +125
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  4. #4
    MHF Contributor Mathstud28's Avatar
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    Pennsylvania
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    O silly me

    Quote Originally Posted by Octavarium View Post
    ^ that doesn't work out...i actually wenthere Equation Generator punched in my numbers and it turns out to be y= -25x +125
    I meant to write y=125-25x
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  5. #5
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    Ah...thanks !
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