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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    6.3 2(2 )( 3) ( 1) 0x x x + <

    7.2

    20

    ( 3)

    x

    x

    +

    8.2 10

    03

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    >

    9.2 12

    0x x

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    10.2 12

    0x x

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