analytic geometry

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What can be said of points with equal ordinates? with equal abscissa?

  • analytic geometry -

    All vertical lines have the same x's (abscissa)
    e.g. Plot (3,4) , (3,7) , (3,-1)

    All horizontal lines have the same y's (ordinates)
    e.g. Plot (3,4) , (2,4) , (-1,4)

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