document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=13749>Question 13749</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hey I also have another question I am so sorry. But I don't understand what or how I would do this.\r<BR>\n" );
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document.write( "Write an equation of the line that passes through (6,-10) and is perpendicular to the line that passes through (4,-6) and (3,-4).\r<BR>\n" );
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document.write( "I have another one that looks similar only it deal with Parallel. so I figure if I get the perp. one then I should be able to figure out how to do the Parallel one. right?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #6926 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=6926\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> parallel and perp questions with reference to co-ordinate geometry.... the thing to remember:\r<BR>\n" );
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document.write( "if 2 lines are parallel, their gradients are equal<BR>\n" );
document.write( "if 2 lines are perp, then we know that mn=-1, where m and n are the 2 gradients.\r<BR>\n" );
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document.write( "So, you will be given 2 points from which to find a gradient, then the Q will ask for a parallel line (so same gradient) or perp line (so mn=-1 and then find its gradient).\r<BR>\n" );
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document.write( "Q will then give you another point...you know (x,y) and gradient so you can find y-intercept...Voila, done!\r<BR>\n" );
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document.write( "jon. </SPAN>\n" );
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