document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1129804>Question 1129804</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two perpendicular lines pass through the point (4,7). If the first line passes through the origin. find the equation of the second line. </SPAN>\n" );
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document.write( "For the first line passing through the origin:\r<BR>\n" );
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document.write( "y - 0 = (7/4)(x - 0)  —>  y = (7/4)x  <br>\r<BR>\n" );
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document.write( "The slope of the perpendicular line will therefore be  -4/7, so that line has the equation:\r<BR>\n" );
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document.write( "y - 7 = (-4/7)(x - 4)<br>\r<BR>\n" );
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document.write( "Or in slope-intercept form:<BR>\n" );
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