document.write( "Question 125495: what is the equation of a horizontal line that passes through the point at
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Algebra.Com's Answer #91940 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
what is the equation of a horizontal line that passes through the point at
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document.write( "Let's draw the point (-2,-3):\r\n" );
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document.write( "Now draw a horizontal line through the point (-2,-3)\r\n" );
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document.write( "Now let's find another point on the line:\r\n" );
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document.write( "That point has coordinates (4,-3).\r\n" );
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document.write( "Now let's find one more point on the line:\r\n" );
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document.write( "That point has coordinates (1,-3).\r\n" );
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document.write( "Now look at those three points on that line:\r\n" );
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document.write( "(-2,-3), (4,-3), (1,-3)\r\n" );
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document.write( "Notice that every one of those points has its\r\n" );
document.write( "y coordinate equal to -3.  You can also see\r\n" );
document.write( "that no matter how many points we get on that\r\n" );
document.write( "line, every one of them will have -3 for its \r\n" );
document.write( "y-coordinate. \r\n" );
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document.write( "So you merely\r\n" );
document.write( "write that fact as \"y always equals -3\" \r\n" );
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document.write( "and so it's equation is simply:\r\n" );
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document.write( "y = -3.\r\n" );
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document.write( "Edwin
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