Inequalities

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1.4

• Inequalities

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Properties

• Transitive, addition, subtraction, multiplication
  and division.
• All properties work the same for inequalities as
  they do for equations EXCEPT multiplication and
  division.

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Multiplication and Division of Inequalities
Whenever multiplying or dividing by a negative
number, you MUST change the direction of the
inequality sign.
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Solving Inequalities

• 2 steps
• Step 1-Solve for the variable
• Step 2-Graph

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Solve and Graph
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Solve and Graph
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Solve and Graph
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Solve and Graph
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Solve and Graph
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Application
A salesperson earns a salary of 700 per month
plus 2 of the sales. What must the sales be if
a salesperson is to have a monthly income of at
least 1800
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Compound Inequalities
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Compound Inequalities
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Compound Inequalities
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Homework
8/27 1 Rules 8/28 No Homework 8/29 2 pg 21
1-47 odd 8/30 3 Wkst 1.4