document.write( "Question 415652: could you please show me how to figure out how to do this problem. gragh on a number line, were x is a real number _3 < x < 6. the second < has a line under it sorry i don't know how to put it under it. \n" ); document.write( "

Algebra.Com's Answer #291354 by Theo(13342) $\"\"$ $\"About$

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smaller than or equal to is represented by <=.
\n" ); document.write( "greater than or equal to is represented by >=.\r
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document.write( "<= is the same as:\r\n" );
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document.write( "<\r\n" );
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document.write( ">= is the same as:\r\n" );
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document.write( ">\r\n" );
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\n" ); document.write( "\n" ); document.write( "not equal to is represented by <>\r
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\n" ); document.write( "\n" ); document.write( "check the following link for reference on howw to draw number line and, as a bonus, how to use interval notation.\r
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\n" ); document.write( "\n" ); document.write( "http://www.mathsisfun.com/sets/intervals.html\r
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\n" ); document.write( "\n" ); document.write( "basically you will have a line that goes from -3 to 6\r
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\n" ); document.write( "\n" ); document.write( "since your interval is -3 < x <= 6, then you have an open end at -3 and a clossed end at 6.\r
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\n" ); document.write( "\n" ); document.write( "If I represent the closed end as [ or ] and the open end as ( or ), then your nuymber line would look like the following:\r
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document.write( "------------------------------------------------------------------------------\r\n" );
document.write( "       -4   -3   -2   -1   0   1   2   3   4   5   6   7\r\n" );
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\n" ); document.write( "\n" ); document.write( "The reference tells you to use an open circle for ( and a close circle for ]\r
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\n" ); document.write( "\n" ); document.write( "as long as your audience knows the symbols you are using, and what they mean, you can use just about anything to represent closed end or open end.\r
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\n" ); document.write( "\n" ); document.write( "not that in interval notation, this would be shown as (-3,6].\r
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