Pre-Cal 20S December 5, 2008

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1 like•211 views

Darren Kuropatwa

Introduction to rational expressions & equations.

Education Entertainment & Humor Technology

Rational Expressions
and Equations

Cynomolgus Monkey by flickr user Erik K Veland

Factoring Review ...
3x + 3y 5x – 10

ax² – ax 3xy – 6yz

a²bc – ab²c + abc²

Factoring Review ...

x² + 3x – 28 x² + 8x + 12 x² – 11x + 28
x² – 4x – 12

3x³ + 21x² + 36x
x³ + 11x² + 28x 5x³ – 5x²– 60x
2x² – 22x + 56

First: Factor

Second: Restrictions?

Third: Reduce

Do you understand?
Compare the graphs ...

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Pre-Cal 20S December 5, 2008

1. Rational Expressions and Equations Cynomolgus Monkey by flickr user Erik K Veland

2.

3.

4. Factoring Review ... 3x + 3y 5x – 10 ax² – ax 3xy – 6yz

5. a²bc – ab²c + abc²

6. Factoring Review ... x² + 3x – 28 x² + 8x + 12 x² – 11x + 28 x² – 4x – 12 3x³ + 21x² + 36x x³ + 11x² + 28x 5x³ – 5x²– 60x 2x² – 22x + 56

7. First: Factor Second: Restrictions? Third: Reduce Do you understand? Compare the graphs ...