document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=795184>Question 795184</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find k if 3x+ky=1 is perpendicular to y+2x=-5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #480845 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=480845\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find k if 3x+ky=1 is perpendicular to y+2x=-5<BR>\n" );
document.write( "**<BR>\n" );
document.write( "y+2x=-5<BR>\n" );
document.write( "y=-2x-5<BR>\n" );
document.write( "slope=-2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "3x+ky=1<BR>\n" );
document.write( "ky=-3x+1<BR>\n" );
document.write( "y=-3x/k+1/k<BR>\n" );
document.write( "slope=-3/k=1/2 (negative reciprocal of slope of first equation)<BR>\n" );
document.write( "k=-6<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );