Khan/khan-exercises — Issue #8679: Parabola intuition 3 - Parabola Intuition 3
Author: KhanBugz
Created: 2011-12-14 22:14:36+00:00
State: open
Labels: chrome, other, xp

Reporter: rich606@gmail.com

The directrix and focus do not go to the correct y-coordinate. For example, instead of going to 9/8, it only goes to 29/26. The denominators of the y-coordinates only go to two-digit places, not in 1/8 portions. Hence, answer is listed as wrong.

[parabola_intuition_3.html?seed=159&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/parabola_intuition_3.html?seed=159&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/parabola_intuition_3.html?seed=159&problem=0&debug&activity=%5B%5B%22hint-activity%22%2C%220%22%2C44%5D%5D)

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Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.63 Safari/535.7

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