document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=449190>Question 449190</A>: <I><SPAN STYLE=\"word-break: break-all;\"> determine if the lines are parallel, perpendicular or neither. y=2x + 6 and y=-1/2x+10 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #309032 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=309032\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=2x + 6 <BR>\n" );
document.write( "m1=2\r<BR>\n" );
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document.write( "y=-1/2x+10<BR>\n" );
document.write( "m2=-1/2\r<BR>\n" );
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document.write( "m1*m2= 2*-1/2 =-1\r<BR>\n" );
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document.write( "so the lines are perpendicular </SPAN>\n" );
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