What does the quadratic formula mean? In this video I present a geometric interpretation that shows where the formula comes from.\r
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Blog post (text/image summary): \r
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You can read more about the history of the quadratic formula and its geometric roots from Cornell Mathematics professor David W. Henderson: \r
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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
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Special thanks to Patrons!\r
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My Books\r
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The Joy of Game Theory shows how you can use math to out-think your competition. (rated 4/5 stars on 23 reviews) \r
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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
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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
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Math Puzzles Volume 2 is a sequel book with more great problems. \r
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Math Puzzles Volume 3 is the third in the . \r
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40 Paradoxes in Logic, Probability, and Game Theory contains thought-provoking and counter-intuitive results. (rated 4.9/5 stars on 7 reviews) \r
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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
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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)