Checking solutions of two-variable linear inequalities example | Algebra I | Khan Academy

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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:inequalities-systems-graphs/x2f8bb11595b61c86:checking-solutions-of-two-variable-inequalities/v/graphing-inequalities-1 Learn how to check whether an ordered pair is a solution of a two-variable linear inequality, both graphically and algebraically. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-variable-linear-inequalities/checking-solutions-of-inequalities/e/checking-solutions-to-two-var-inequalities?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Watch the next lesson: https://www.khanacademy.org/math/algebra/two-variable-linear-inequalities/checking-solutions-of-inequalities/v/testing-solutions-for-a-system-of-inequalities?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Missed the previous lesson? https://www.khanacademy.org/math/algebra/systems-of-linear-equations/systems_of_linear_equations_word_problems/v/understanding-systems-of-equations-example?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Khan Academy: Algebra is the language through which we describe patterns. Think of it as a shorthand, of sorts. As opposed to having to do something over and over again, algebra gives you a simple way to express that repetitive process. It's also seen as a "gatekeeper" subject. Once you achieve an understanding of algebra, the higher-level m

Published 2011-03-08 · Watch on YouTube ↗
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