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kchangnyt's profile
Kenneth Chang
Kenneth Chang
Kenneth Chang
@kchangnyt

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Kenneth Chang

@kchangnyt

Science reporter at the New York Times. Pluto, dinosaurs, NASA, viral math & more...

New York, NY
nytimes.com/by/kenneth-cha…
Joined April 2014

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    1. Kenneth Chang‏ @kchangnyt Feb 5

      Kenneth Chang Retweeted Kenneth Chang

      Now #2! (Take that, coronavirus!)https://twitter.com/kchangnyt/status/1225117162026737664 …

      Kenneth Chang added,

      Kenneth Chang @kchangnyt
      On the NYT home page, this is currently the #3 viewed story, after the Iowa caucus and the coronavirus. http://nytimes.com/2020/02/05/science/quadratic-equations-algebra.html …
      1 reply 0 retweets 1 like
      Show this thread
    2. Kenneth Chang‏ @kchangnyt Feb 5

      Ahead of all of the impeachment stories, for now.https://www.nytimes.com/2020/02/05/science/quadratic-equations-algebra.html …

      1 reply 0 retweets 0 likes
      Show this thread
    3. stonk man‏ @StonkGoUp Feb 5
      Replying to @kchangnyt

      This technique is essentially a geometric interpretation of completing the square.

      1 reply 0 retweets 0 likes
    4. Kenneth Chang‏ @kchangnyt Feb 5
      Replying to @StonkGoUp

      Sort of, but a bit more than that. It's completely equivalent since it produces the same answers to the same problem. But most people don't grasp completing the square. @PoShenLoh explains in a lot more detail here: https://www.poshenloh.com/quadratic/ 

      1 reply 0 retweets 0 likes
    5. stonk man‏ @StonkGoUp Feb 5
      Replying to @kchangnyt @PoShenLoh

      yeah, memorizing the quadratic formula is a lot easier than memorizing how to complete the square (or figuring it out every time) for most people.

      1 reply 0 retweets 0 likes
    6. Po-Shen Loh‏ @PoShenLoh Feb 5
      Replying to @StonkGoUp @kchangnyt

      Everyone has their preferred method. If you prefer memorizing, here's one for you!https://youtu.be/XY5PSMAUj-Q 

      1 reply 0 retweets 0 likes
    7. stonk man‏ @StonkGoUp Feb 5
      Replying to @PoShenLoh @kchangnyt

      I think I’ve figured out what I meant to say. In your method, you create a new variable z, you’re essentially changing your coordinates to the center of the parabola to make the problem a lot simpler!

      1 reply 0 retweets 1 like
      Kenneth Chang‏ @kchangnyt Feb 6
      Replying to @StonkGoUp @PoShenLoh

      Yup, that's what this does.

      7:06 AM - 6 Feb 2020
      0 replies 0 retweets 0 likes

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