document.write( "Question 147567: 2<3x<9\r
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Algebra.Com's Answer #107952 by mangopeeler07(462)\"\" \"About 
You can put this solution on YOUR website!
\"2%3C3x%3C9\". First take each part of the inequality separately. Let's start with \"3x%3C9\". Divide by three and get \"x%3C3\" To graph it, first do the graph of x=3.\r
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Solved by pluggable solver: DESCRIBE a linear EQUATION: slope, intercepts, etc
this equation defines a vertical line.
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  • X intercept: 3. X intercept is the intersection of the line with the x axis.

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  • Y intercept: not defined (the line IS vertical)

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  • Slope: not defined, can be thought of as infinite

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\"graph%28+500%2C+500%2C+3-5%2C+3%2B5%2C+-10%2C+10%2C+1000000x-1000000%2A3+%29+\"\n" ); document.write( "

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\n" ); document.write( "\n" ); document.write( "Now deal with the other side \"2%3C3x\". Divide both sides by three and get \"2%2F3%3Cx\" or \"x%3E2%2F3\". Now, draw the line for x=2/3 on the same graph as x=3.\r
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Solved by pluggable solver: DESCRIBE a linear EQUATION: slope, intercepts, etc
this equation defines a vertical line.
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  • X intercept: 0.666666666666667. X intercept is the intersection of the line with the x axis.

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  • Y intercept: not defined (the line IS vertical)

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  • Slope: not defined, can be thought of as infinite

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\n" ); document.write( "\n" ); document.write( "Then simply erase parts of both lines to dot them to show that x does not include those values. Now shade the area between the lines. You are done graphing the inequality \"2%3C3x%3C9\". \r
\n" ); document.write( "\n" ); document.write( "If you still need help: http://www.algebra.com/algebra/homework/Graphs/Inequalities-Made-Easy.lesson
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