Deriving the Vertex Formula

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I made this video using a Lumens DC265 Ladibug document camera. I am trying my hand at some new technologies to see which ones I think are the most useful. I will be giving a hands on workshop this summer using the best ones.
I need to learn to straighten the paper! (you can rotate the image in the video as well) Next time!
  1. Sue Glascoe
  2. algebra
  3. parabolas
  4. vertex
  5. formula
  6. Lumens
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Комментарии
Автор

This is great! My13 yr old son and I watched to understand how to get the "formula" he was to memorize for Algebra! Thanks much,
Dan in Florida

dvorakdj
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Wow, very well done video. Thank you as I couldn't find any other vid on how to complete the square with a function. Now I see why my textbook subtracted the squared term on the same side.

gnosis
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may i have an explaination on how you multiplied
(b^2)/(4a^2) * a???

johnsonsbabywhitestuff
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If only i could see what you wrote down....

Xiler
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This video was made 5 years ago using old technology. I have new videos at www.tech4mathed.com and can create any lesson for you at www.ondemandcurriculum.com.

SueGlascoe