hellen Posted January 10, 2020 Share Posted January 10, 2020 I'm not sure if this was already posted. Po-Shen Loh, the US math Olympiad coach, posted a video about a new way to solve quadratic equations. My son has tried it with all sorts of quadratics and really liked it. It works with whole numbers, fractions, and square roots. It doesn't need an a constant equal to 1 to work. https://www.poshenloh.com/quadratic/ For the really mathy people, there is a link to a formal article at the bottom of the page. 2 Quote Link to comment Share on other sites More sharing options...
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