This point is more important than you might realize

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Unformatted text preview: ion, t = -6 . [Return to Problems] So, when there is more than one square root in the problem we are again faced with the task of checking our possible solutions. It is possible that anywhere form none to all of the possible solutions will in fact be solutions and the only way to know for sure is to check them in the original equation. © 2007 Paul Dawkins 121 College Algebra Linear Inequalities To this point in this chapter we’ve concentrated on solving equations. It is now time to switch gears a little and start thinking about solving inequalities. Before we get into solving inequalities we should go over a couple of the basics first. At this stage of your mathematical career it is assumed that you know that a<b means that a is some number that is strictly less that b. It is also assumed that you know that a³b means that a is some number that is either strictly bigger than b or is exactly equal to b. Likewise it is assume that you know how to deal with the remaining two inequalities. > (g...
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This note was uploaded on 06/06/2012 for the course ICT 4 taught by Professor Mrvinh during the Spring '12 term at Hanoi University of Technology.

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