What is this I don't even

Calculus and things that lead there

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I told them to take a really basic selfie with their work

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Using the gou gu

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Me grading

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A student shows how to add the natural numbers from one to x. The diagonal creates an isosceles right triangle, whose area is (1/2)x^2. Above the diagonal, there are x triangles, each with an area of 1/2. You can see the rest.

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Balancing triangles on the centroid

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Polar area (at Neeley School of Business at TCU)

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Synthetic division problems with video solutions

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Synthetic division

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exercises for every calculus topic with video solutions

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"Quizlet is a lightning fast way to memorize vocabulary lists. It's like flashcards, but much more fun and interactive."

It's really the same amount of fun and interactivity that you get from flash cards.  Cough marketing cough.

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Example using values from class 1-8-13

Here is a continuous and differentiable piecewise defined function as described in this week's POTW.  I used m = 2, n = 3, and g = 9.8 from values chosen by students in class today.

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matrix.reshish.com is the most convenient free matrix online calculator.