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Quadratic Inequalities

http://www.mindbites.com/lesson/2532 Solving inequalities mean finding all of the value of x that make the inequality become a true statement. Rather than guessing and checking to see which x values satisfy an inequality, we will show you how to divide it into several cases to systematically find all solutions for x. Later, we will learn to bypass this systematic reasoning to work more efficiently and quickly to solve this kind of inequality.
Length: 02:39

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