College Algebra Tutorial 21: Absolute Value Equations
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- Aug 9 2010 1:15 PM
Ninfa Vega
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In this tutorial, I will be stepping you through how to solve equations that have absolute values in them. We will first go over the definition of absolute value and then use that to help us solve our absolute value equations. You will find that when you have an absolute value expression set equal to a positive number, you will end up with two equations that you will need to solve to get your solutions. Since the absolute value of any number other than zero is positive, it is not permissible to set an absolute value expression equal to a negative number. So, if your absolute value expression is set equal to a negative number, then you will have no solution. The two main things that you need to know from your past that will help you work the types of problems in this tutorial is how to solve linear and quadratic equations Less
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Grade: 8 to 11
Topics: Algebra I, Algebra II
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- Interactives