10. 7 Solving Rational Equations. Standard: ALG. 15.0. Main Idea & Vocabulary. Today, we will solve rational equations. Like working with fractions, be sure to find a common denominator. Rational equation : an equation with one or more rational expression.
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Standard: ALG. 15.0
1) cross multiply
2) Solve for variable using inverse operations (Ch. 2)
What is the purpose of multiplying both sides by the LCD?
How are the extraneous solutions related to the denominators in the equation?
Are excluded values always extraneous solutions?Review