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Rational Inequality Apr 20 09

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14
Inequality
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Page 1: Rational Inequality Apr 20 09

Inequality

Page 2: Rational Inequality Apr 20 09

< 0x ­ 1 (x ­ 2)(x + 3)

Rational Inequality

Critical Numbers:  the zeros, and the values that make the inequality undefined. 

1. Place critical numbers on a number line

Page 3: Rational Inequality Apr 20 09

10 2 3 4 5 6 7 8 9 10­1­2­3­4­5­6­7­8­9­10

Page 4: Rational Inequality Apr 20 09

Solve: >_ 0x2 ­ 2x ­ 8

x ­ 1

Page 5: Rational Inequality Apr 20 09

10 2 3 4 5 6 7 8 9 10­1­2­3­4­5­6­7­8­9­10

Page 6: Rational Inequality Apr 20 09

>x

x ­ 3

1

x + 2

Page 7: Rational Inequality Apr 20 09

10 2 3 4 5 6 7 8 9 10­1­2­3­4­5­6­7­8­9­10

Page 8: Rational Inequality Apr 20 09

Absolute Value Inequality

Graph y = x Graph  y =   x

Page 9: Rational Inequality Apr 20 09

Graph y = x + 5 What will graph of  y =   x + 5    look like? 

Page 10: Rational Inequality Apr 20 09

x ­ 2 <_ 5

Page 11: Rational Inequality Apr 20 09

x ­ 2 <_ 5Solve algebraically

Page 12: Rational Inequality Apr 20 09

x2

1+ <_ 3

Page 13: Rational Inequality Apr 20 09

x2

1+ <_ 3Solve algebraically

Page 14: Rational Inequality Apr 20 09

Exercise 28

questions  6  ­  12


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