180 Days of Ideas for Discussion in Math Class.
(as of 9July2014, we're in overtime!)

Saturday, July 5, 2014

177: Parabola and friends

Is it possible to choose four points on the graph of y = x² that are the vertices of a trapezoid?
A parallelogram?
An equilateral triangle?

Here's y = x² to help you think.

Is it possible to choose four pts on the graph of y = x² that are the vertices of a trapezoid? A parallelogram? An equilateral triangle?
— James Tanton (@jamestanton)

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