document.write( "Question 594013: Sketch out |x|+|y|= 2
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Algebra.Com's Answer #376579 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "|x|+|y|= 2\r\n" );
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document.write( "This implies that two non-negative quatities add up to 2,\r\n" );
document.write( "so neither x nor y can be greater than 2 nor less than -2.\r\n" );
document.write( "So the domain and range are both [-2,2].\r\n" );
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document.write( "The only points with integers for both coordinates are\r\n" );
document.write( "( x, y)\r\n" );
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document.write( "{-2, 0)\r\n" );
document.write( "{-1,-1)\r\n" );
document.write( "{-1, 1)\r\n" );
document.write( "{ 0,-2)\r\n" );
document.write( "{ 0, 2)\r\n" );
document.write( "{ 1,-1)\r\n" );
document.write( "{ 1, 1)\r\n" );
document.write( "{ 2, 0)\r\n" );
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document.write( "Plot them:\r\n" );
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document.write( "Sketch in the graph.  It is a diamond (or square turned sideways):\r\n" );
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document.write( "Edwin
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