document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=536021>Question 536021</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For pair of line y=4x-2 and -x +4y=0, is it perpendicular, parallel, or neither? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #352099 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=352099\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=4x-2<BR>\n" );
document.write( "---<BR>\n" );
document.write( "-x+4y=0<BR>\n" );
document.write( "4y=x<BR>\n" );
document.write( "y=(1/4)x\r<BR>\n" );
document.write( "\n" );
document.write( " compare the equations<BR>\n" );
document.write( "the slopes are not the same so lines are not parallel<BR>\n" );
document.write( "..<BR>\n" );
document.write( "slope of first line = 4<BR>\n" );
document.write( "slope of second line = 1/4\r<BR>\n" );
document.write( "\n" );
document.write( "m1* m2 = 4*1/4 = 1\r<BR>\n" );
document.write( "\n" );
document.write( "If the lines are perpendicular m1*m2 mustbe equal to -1.<BR>\n" );
document.write( "So the lines are not perpendicular </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );