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Updated on Thursday, September 18, 2014

#1944

OVERHEARD: "Is that a linear line?" -ECON 401

7 comments

  1. I dont get it. Lines can be linear or non-linear.

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    1. Not OP, but things like quadratic functions are not lines, they are curves, or more specifically, parabolas.

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    2. Layman terms have confused the actual definition of what it means to be a line with other functions. A line is specifically defined by ax+b

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  2. Isn't that only true for the Cartesian plane? Lines exist in non-euclidean geometries too.

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    Replies
    1. thats not even true for Cartesian plane tho.
      A line is a curve that is linear.

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  3. So all lines are linear. But lines are a subset of all things that are linear. There are many other mathematical constructs that can be linear.

    What it means to be linear is a more abstract concept all together.

    But the original joke was referring to the fact that the student didn't know that all lines are linear.

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