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Math Help - Graphing equalities on a number line.

  1. #1
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    Aug 2008
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    Graphing equalities on a number line.

    If anyone doesnt mind helping me with these few inequalities it would be greatly appreciated.

    Solve each inequality and graph its solution on the number line:

    4y>24 <__________________________>


    3 - d > 5 <__________________________>


    X/5 > 17 <__________________________>
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  2. #2
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    Aug 2008
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    Bacolod City
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    6

    Smile you can do this

    Solve each inequality and graph its solution on the number line:

    4y>24 <__________________________>
    <divide both sides by 4 to get y>
    y>6
    <draw a number line>
    locate 0 and create coordinates up to 6
    on 6, draw a hallow point (a circle, no shade)
    create a line starting in the circle to the right (follow the > symbol)


    3 - d > 5 <__________________________>
    <subtract both sides by 3>
    3-d-3>5-3
    -d>2
    <multiply both sides by -1>
    -1(-d>2)
    <take note that every time you multiply or divide both sides by negative in an inequality, the symbol will be changed to its opposite symbol>
    d<2
    <to graph>
    in a number line, locate 0, and draw coordinates until 2
    from 2, draw a hallow point
    then extend a line to your left

    X/5 > 17 <__________________________>
    <solve for x>
    <multiply both sides by 5, to cancel the denominator of x>
    x>85
    <to graph>
    create a number line and this time you can have intervals of 10 since we are to locate 85
    still use hallow point
    and from 85, extend a line to your right

    hoping, it helped.
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