What does the quadratic formula mean? In this video I present a geometric interpretation that shows where the formula comes from.\r \r Blog post (text/image summary): \r \r You can read more about the history of the quadratic formula and its geometric roots from Cornell Mathematics professor David W. Henderson: \r \r While researching this post, I came across a website that offers a visual interpretation of the quadratic formula that helped me design the graphics: \r \r Special thanks to Patrons!\r Kyle\r Alberto Nishikawa\r Henry Segerman\r \r If you like my videos, you can support me at Patreon: \r \r Connect on social media. I update each site when I have a new video or blog post, so you can follow me on whichever method is most convenient for you.\r \r My Blog: \r Twitter: \r Facebook: \r Google+: \r Pinterest: \r Tumblr: \r Instagram: \r Patreon: \r \r Newsletter (sent about 2 times a year): \r \r My Books\r \r The Joy of Game Theory shows how you can use math to out-think your competition. (rated 4/5 stars on 23 reviews) \r \r The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias is a handbook that explains the many ways we are biased about decision-making and offers techniques to make smart decisions. (rated 5/5 stars on 1 review) \r \r Math Puzzles Volume 1 features classic brain teasers and riddles with complete solutions for problems in counting, geometry, probability, and game theory. Volume 1 is rated 4.5/5 stars on 11 reviews. \r \r Math Puzzles Volume 2 is a sequel book with more great problems. \r \r Math Puzzles Volume 3 is the third in the . \r \r 40 Paradoxes in Logic, Probability, and Game Theory contains thought-provoking and counter-intuitive results. (rated 4.9/5 stars on 7 reviews) \r \r The Best Mental Math Tricks teaches how you can look like a math genius by solving problems in your head (rated 4.7/5 stars on 3 reviews) \r \r Multiply Numbers By Drawing Lines This book is a reference guide for my video that has over 1 million views on a geometric method to multiply numbers. (rated 5/5 stars on 1 review)
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