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Watch Video on Solving Inequalities - Algebra Help
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 Watch Video on Solving Inequalities - Algebra Help Access full lesson containing this video at: http://www.yourteacher.co m/algebra1/solvinginequal ities.php Students learn that when solving an inequality, such as --3x is less than 12, the goal is the same as when solving an equation: to get the variable by itself on one side. Note that when multiplying or dividing both sides of an inequality by a negative number, the direction of the inequality sign must be switched. For example, to solve --3x is less than 12, divide both sides by --3, to get x is greater than -4. And when graphing an inequality on a number line, less than or greater than means an open dot, and less than or equal to or greater than or equal to means a closed dot.
Date : 24 mars 2008 - 15:43:44
Tags : Education Solving Inequalities Graphing solve inequality
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