This video looks at solving quadratic equations by graphing. It includes three examples.

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Velocity calculations are easy to do – you just need to know a few tricks to get your answers exact. You will learn that speed is a measurement of distance and time, and how to easily transpose to work out any speed distance time calculation.

rationalize the denominator 1/(cbrt(3)-sqrt(2)), check out piercecollegecas algebra videos: https://www.youtube.com/watch?v=4BSHGxIp1aA&list=PLQiPs5mDnK8dAy53crPZHVZ9nj4w6FNWH&index=4 Why rationalize the denominators in the first place? Here https://youtu.be/EgYlGXnq8z8 Rationalize the denominator with 1 cube root and 1 square root in the denominator. blackpenredpen, math for fun, https://twitter.com/blackpenredpen, blackpenredpen@gmail.com