9.4  Simplifying Rational Expressions (aka factor & cancel)
<ul><li>A rational expression “in simplest form” means: </li></ul><ul><li>Ex.  ISF?  </li></ul>
<ul><li>Example 1 .  Simplify.  Then state any restrictions on the variable. </li></ul><ul><li>a. </li></ul><ul><li>b.  </...
Multiplying Rational Expressions <ul><li>Multiply  </li></ul><ul><li>To multiply rational expressions: </li></ul>
Example 2.  Multiply.  Then state any restrictions on the variable. a.
Example 2.  Multiply.  Then state any restrictions on the variable . <ul><li>b.  </li></ul>
Dividing Rational Expressions <ul><li>Divide. </li></ul>To divide rational expressions:
Example 3 .  Divide.  Then state any restrictions on the variable. <ul><li>a.  </li></ul>
Example 3 .  Divide.  Then state any restrictions on the variable. <ul><li>b.  </li></ul>
Assignment:  Pg. 501 #2 – 20e, 28 – 32e
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9.4 Simplifying Rational Expressions

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9.4 Simplifying Rational Expressions

  1. 2. 9.4 Simplifying Rational Expressions (aka factor & cancel)
  2. 3. <ul><li>A rational expression “in simplest form” means: </li></ul><ul><li>Ex. ISF? </li></ul>
  3. 4. <ul><li>Example 1 . Simplify. Then state any restrictions on the variable. </li></ul><ul><li>a. </li></ul><ul><li>b. </li></ul>
  4. 5. Multiplying Rational Expressions <ul><li>Multiply </li></ul><ul><li>To multiply rational expressions: </li></ul>
  5. 6. Example 2. Multiply. Then state any restrictions on the variable. a.
  6. 7. Example 2. Multiply. Then state any restrictions on the variable . <ul><li>b. </li></ul>
  7. 8. Dividing Rational Expressions <ul><li>Divide. </li></ul>To divide rational expressions:
  8. 9. Example 3 . Divide. Then state any restrictions on the variable. <ul><li>a. </li></ul>
  9. 10. Example 3 . Divide. Then state any restrictions on the variable. <ul><li>b. </li></ul>
  10. 11. Assignment: Pg. 501 #2 – 20e, 28 – 32e

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