document.write( "Question 389418: how do i graph the inequality 4-2x<-2 when there is no Y value? \n" ); document.write( "
Algebra.Com's Answer #275957 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "There are two kinds of graphs, 1-dimensional and 2-dimensional (there\r\n" );
document.write( "are also 3-dimensional graphs too but you won't study them unless or until \r\n" );
document.write( "you take more advanced mathematics courses.)\r\n" );
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document.write( "Either way we begin by solving the inequality:\r\n" );
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document.write( "4 - 2x < -2\r\n" );
document.write( "   -2x < -6\r\n" );
document.write( "     x > 3\r\n" );
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document.write( "If you are studying one-dimensional graphs (number lines) then the graph is\r\n" );
document.write( "on one number line:\r\n" );
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document.write( "-4  -3  -2  -1   0   1   2   3   4   5   6   7\r\n" );
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document.write( "The circle is open because the value 3 is not included, since\r\n" );
document.write( "3 is not greater than itself.\r\n" );
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document.write( "But if you're studying two-dimensional graphs you have two number lines,\r\n" );
document.write( "namely a horizontal one called \"the x-axis\" and a vertical number line\r\n" );
document.write( "called \"the y-axis\", and have this:\r\n" );
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document.write( "  \r\n" );
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document.write( "Notice the green line is dotted and not solid on this 2-dimensional \r\n" );
document.write( "graph for the exact same reason that the circle is open and not closed\r\n" );
document.write( "on the one-dimensional (number line) graph.  3 is not greater than 3.\r\n" );
document.write( "Now there is no way to shade with this computer program I'm using, but\r\n" );
document.write( "the graph is supposed to be shaded to the right of the green dotted\r\n" );
document.write( "vertical line that passes through 3 on the x-axis.\r\n" );
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document.write( "Edwin
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