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Warm Up January 27, 2014 Simplify 1. Pick up handout on back table

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9.6 Solving Rational Equations p.569

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Hint for solving: A quick way to solve a rational equation is to multiply everything through by the LCD. This will get rid of all the fractions! Beware of extraneous solutions!

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Example: Solve. LCD: 2x Multiply each fraction through by the LCD Check your solution!

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Solve. LCD: ? LCD: (x+1) Check your solution! ? No Solution!

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Solve. Factor 1 st ! LCD: (x+2)(x-2) Check your solutions!

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Short Cut! When there is only fraction on each side of the =, just cross multiply as if you are solving a proportion.

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Example: Solve. Check your solutions!

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Last Example: Solve. Check your solutions!

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Assignment Work on Practice A worksheet 8-3 - Adding and Subtracting Rational Expressions

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