Alg3­­Solving_Inequalities_&_Absolute_Value.notebook
February 11, 2013
Alg 3 Warm­Up:
Solve the following...
1. By factoring... x2 + 5x = 36
2. By square roots... (2x ­ 5)2 = 50
3. By quad formula... 6x = 4 ­ x2
Feb 8­10:56 AM
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Alg3­­Solving_Inequalities_&_Absolute_Value.notebook
February 11, 2013
Solving Inequalities...
To solve an inequality, use the same rules that you use when solving equations...with one exception: WHEN MULTIPLYING OR DIVIDING BY A NEGATIVE, reverse the inequality sign
Examples:
Feb 8­10:56 AM
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Alg3­­Solving_Inequalities_&_Absolute_Value.notebook
February 11, 2013
Absolute Value Equations and Inequalities
Feb 8­10:56 AM
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Alg3­­Solving_Inequalities_&_Absolute_Value.notebook
February 11, 2013
With inequalities, once the inequality is isolated write the two cases:
Feb 8­10:56 AM
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Alg3­­Solving_Inequalities_&_Absolute_Value.notebook
February 11, 2013
Test....Wednesday
For tomorrow...Worksheet
Feb 8­10:56 AM
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