For meetings prior to Fall 2018, visit the Circle Archive. | Advanced | Beginners | Breaking Numbers into Parts | Early Elementary I | Early Elementary II | High School I | High School II | Junior Circle | Olympiad Training | | 10/7/2018 | We warm up for the new academic year by solving problems from some recent mathematical competitions. | | 10/14/2018 | We start our exploration of quadratic equations with Vieta's Theorem. As usual, we also do some geometry. | | 10/21/2018 | We solve some problems on the properties of general functions, and learn to apply Vieta's theorem from last week. As usual, some geometry. | | 10/28/2018 | We continue exploring quadratic equations by completing the square and learning the formula for the roots. We also start working towards quadratic inequalities, in particular seeing when a quadratic function is positive or negative. | | 11/4/2018 | We take a step back from learning fundamental facts about quadratic equations, and practive what we have already learnt on some problems. Geometry also makes an appearance. | | 11/11/2018 | We introduce parabolas -- graphs of a quadratic equations, and solve some problems regarding them. | | 11/18/2018 | We use the theoretical properties of quadratic equations established during the last few weeks to solve some concrete problems. Also: more geometry. | | 12/2/2018 | We see what we have learned about geometry and quadratic equations with an individual problem-solving session. | | 12/9/2018 | [Show less] | |
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