Inequalities Solutions
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7/29/2019 Inequalities Solutions
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Using Sign Diagrams to Solve Inequalities
Step Ensure that the inequality expression is set to 0.
Step Construct a Sign Diagram for the expression.
Sept Use the signs to determine the solution interval. Express in both interval notation and on a number line.
1.
2. or
3. 2 6 0x x
4.2( 3)( 1) 0x x x + <
5.3 22 10 0x x x+
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7/29/2019 Inequalities Solutions
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6.3 2(2 )( 3) ( 1) 0x x x + <
7.2
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8.2 10
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9.2 12
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x
10.2 12
0x x
x
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