document.write( "Question 1139671: Find X if the distance between points A and B is 13 and B is located in the second quadrant. \r
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Algebra.Com's Answer #760153 by ikleyn(52858) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( " +  = \r\n" );
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document.write( " +  = 169\r\n" );
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document.write( " + 25 = 169\r\n" );
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document.write( " = 0.\r\n" );
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document.write( "(x-17)*(x+7) = 0\r\n" );
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document.write( "There are two roots x= 17  and  x= -7,  and only negative root x= -7  provides the point B in QII.\r\n" );
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document.write( "ANSWER.  x = -7.\r\n" );
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