Mat 117 Week four concept check

Mat 117 Week four concept check - example, the final step...

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Mat 117 Week four Concept Check Post a 50-word response to the following question: When solving a rational equation, why is it necessary to perform a check? A check is always necessary when solving a rational equation for one major reason. When you multiply both sides of an equation by the LCM there are answers that may be given that are not actual solutions of the equation that we are attempting to solve. For
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Unformatted text preview: example, the final step of an equation may produce (x-2) and (x+5), therefore the answers would be 2 and -5. However after performing a check you may discover that -5 is not a working solution therefore leaving 2 as the only solution. Without a check this may not have come to pass....
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This note was uploaded on 02/16/2012 for the course MAT 117 117 taught by Professor Billings during the Spring '10 term at University of Phoenix.

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