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Simplifying Rational Expressions Definitions: Rational Number: a number that can be written

Simplifying Rational Expressions Definitions: Rational Number: a number that can be written as a fraction Rational Expression: a fraction whose numerator, denominator or both are non-zero polynomials. Simplify. Ex A: Ex B:. Rule: whenever you see addition or subtraction in a

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Simplifying Rational Expressions Definitions: Rational Number: a number that can be written

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  1. Simplifying Rational Expressions Definitions: Rational Number: a number that can be written as a fraction Rational Expression: a fraction whose numerator, denominator or both are non-zero polynomials

  2. Simplify. Ex A: Ex B:

  3. Rule: whenever you see addition or subtraction in a fraction, (top or bottom) put ( )'s around it. matching ( )'s will cancel from top to bottom! x + 1 x - 2

  4. Steps: 1. Factor numerator and denominator 2. cancel common *numbers (outside parenthesis) *variables (outside parenthesis) *matching ( )'s

  5. Simplify. Ex C: Ex D:

  6. What about Difference of Squares????? x2 - 25 = n2 - 49 = r2 - 36 = x2 - 81 =

  7. Ex E: Ex F:

  8. Ex G:

  9. Ex H: Ex I: Ex J:

  10. Ex K: Ex L:

  11. CW/HW Worksheet on Simplifying Rational Expressions

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