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Warmups – simplify.

Learn how to simplify rational expressions by dividing coefficients and using rules of exponents. Identify values excluded from the domain.

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Warmups – simplify.

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  1. Warmups – simplify. Hint: Divide coefficients and use rules of exponents (subtract exponents when you divide). Factors cancel!

  2. 12-1 Simplifying Rational Expressions Objective: To simplify rational expressions and to identify values excluded from the domain. Standard 12.0

  3. Excluded Values Excluded Values: values that make the denominator zero (because we cannot divide by zero). Always find the excluded values BEFORE you cancel anything out. Examples: State the excluded values

  4. Example 1 Steps: • Factor top and bottom of fraction • Find excluded values (set each factor in the denominator equal to zero and solve) • Cancel out factors (things being multiplied together)

  5. Example 2 Steps: • Factor top and bottom of fraction • Find excluded values (set each factor in the denominator equal to zero and solve) • Cancel out factors (things being multiplied together)

  6. TOO FOR HOMEWORKa) find excluded valuesb) simplify

  7. Homework • Pg. 664 # 14 – 31 • Work quietly, raise your hand with any questions 

  8. Warm ups Factor completely.

  9. Speaker and Scribe Factor completely.

  10. Speaker and ScribeDirections: Factor completely or write prime if not factorable.

  11. Speaker and ScribeDirections: Factor completely or write prime if not factorable.

  12. Speaker and ScribeDirections: Factor completely or write prime if not factorable.

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