document.write( "Question 682316: Write answer in y=mx+b form. \r
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Algebra.Com's Answer #423121 by Edwin McCravy(20060)\"\" \"About 
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document.write( "We plot the point (-3,2) which the line is to go through:\r\n" );
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document.write( "Since the line's slope is 0 it is a horizontal line.  We'll draw it:\r\n" );
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document.write( "We see that its y-intercept is (0,2) so b = 2.\r\n" );
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document.write( "And we are given that the slope m = 0, so we substitute in\r\n" );
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document.write( "y = mx + b\r\n" );
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document.write( "and get\r\n" );
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document.write( "y = 0x + 2\r\n" );
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document.write( "But we usually don't write \"0x\" but it's still understood:\r\n" );
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document.write( "y = 2\r\n" );
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document.write( "That's the equation.  Horizontal lines' equations do not contain\r\n" );
document.write( "an x-term because it is just multiplied by 0 and usually not written,\r\n" );
document.write( "but it's understood that the reason it's not written is because the\r\n" );
document.write( "slope is 0.  So think of it as y = 0x + 2 but just write y = 2.\r\n" );
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document.write( "Edwin
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