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Review. Write a direct variation equation when x = 10 and y = 20. Write a indirect variation when x = 3 and y = 8. 11.4 Simplifying rational expressions. Notes. Rational expression: when numerator, denominator, or both are nonzero polynomials. Ex: .

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Review

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  1. Review Write a direct variation equation when x = 10 and y = 20. Write a indirect variation when x = 3 and y = 8.

  2. 11.4 Simplifying rational expressions

  3. Notes Rational expression: when numerator, denominator, or both are nonzero polynomials. Ex: • Radical expression simplified if numerator and denominator have no factors in common other than ± 1. • Expression undefined if the denominator equals 0.

  4. What are the values that would make the expression undefined?

  5. What are the values that would make the expression undefined?

  6. Determine whether the expression is simplified - T

  7. Determine whether the expression is simplified - st

  8. Simplify if possible - t

  9. Simplify if possible - st

  10. What’s the probability I toss a coin in the shaded region - t

  11. What’s the probability I toss a coin in the shaded region - st

  12. Wrap up • Questions/Comments • Acuity: • Hw: text pg. 667, #’s: 4-6, 10-30 evens

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