Timeline for Simpler explanation for finding the vertex of a parabola
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
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| Dec 3, 2016 at 10:56 | comment | added | Sue VanHattum♦ | There are some great illustrations of this sort of idea by James Tanton. (He keeps the original and asks for two points with the same y-coordinate. The work is virtually the same.) youtube.com/watch?v=Z5hVo4q5xZI | |
| Dec 2, 2016 at 2:39 | comment | added | mweiss | @BenjaminDickman Thanks for reminding me to update this. :) | |
| Dec 2, 2016 at 2:38 | history | edited | mweiss | CC BY-SA 3.0 |
updated to include link to publication
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| Dec 1, 2016 at 22:26 | comment | added | Benjamin Dickman | Just read this -- and am teaching quadratic functions right now in Algebra 2! Fun reading; I especially enjoyed the $a = rise/run^2$ part. | |
| Oct 4, 2015 at 20:32 | comment | added | mweiss | @BenjaminDickman Ah, nice. I had not seen that. | |
| Oct 4, 2015 at 19:36 | comment | added | Benjamin Dickman | You may have seen this, for it is hidden in a comment to the OP, but this is the method described (in less detail) in MSE 709. | |
| Oct 4, 2015 at 18:07 | history | answered | mweiss | CC BY-SA 3.0 |