document.write( "Question 1175152: Find the equation of the line perpendicular to y = −1 through the point (3,4)
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Algebra.Com's Answer #800700 by ikleyn(52790) $\"\"$ $\"About$

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document.write( "The line y= -1 is horizontal line parallel to x-axis one unit below x-axis.\r\n" );
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document.write( "Perpendicular to it is VERTICAL line x = const.    (*)\r\n" );
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document.write( "Since this vertical line goes through the point (3,4), the constant in the equation (*) is equal to 3.\r\n" );
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document.write( "THEREFORE, the seeking line has equation  x= 3.     ANSWER\r\n" );
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