document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=478511>Question 478511</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the slope of a line perpendicular to the line that passes through the following points (3,9) and (7,15) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #327934 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=327934\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the slope of a line perpendicular to the line that passes through the following points (3,9) and (7,15)<BR>\n" );
document.write( "**<BR>\n" );
document.write( "slope of line that passes through points (3,9) and (7,15)=&#8710;y/&#8710;x=rise/run=change of y/change of x<BR>\n" );
document.write( "=(15-9)/(7-3)=6/4=3/2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "slope of line perpendicular to line above=its negative reciprocal=-2/3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );