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Introduction to second degree inequalities, also called quadratics, and rational inequalities. First, I will explain how to recognize a second degree or quadratic inequality and a rational one, and we will solve a second degree inequality, explaining each step carefully and why it is done. Complete Intervals/Inequalities Course: • Intervals Inequalities (COMP Course... I invite you to follow me on my social networks: https://linktr.ee/matematicasprofealex _________________________________________________________________ If you want to help me so that the channel continues to grow you can: - Subscribe: https://www.youtube.com/matematicaspr... - Contribute to the channel with a donation: https://www.paypal.me/profeAlex - Become a member of the channel: https://www.youtube.com/matematicaspr... _________________________________________________________________ Contact Business only, press: [email protected] 0:00 Greeting 0:29 What is an interval 4:10 How to solve a second degree inequality 20:50 Farewell and recommended videos