document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=328331>Question 328331</A>: <I><SPAN STYLE=\"word-break: break-all;\"> decide whether the pairof lines is parallel,perpendicular, or neither<BR>\n" );
document.write( "5x+2y=4<BR>\n" );
document.write( "2x-5y=5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #235134 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=235134\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5x+2y=4<BR>\n" );
document.write( "2y=4-5x<BR>\n" );
document.write( "divide by 2<BR>\n" );
document.write( "2y/2=4/2-5x/2<BR>\n" );
document.write( "y=-5x/2 +2<BR>\n" );
document.write( "The slope of this line = -5/2\r<BR>\n" );
document.write( "\n" );
document.write( "2x-5y=5<BR>\n" );
document.write( "-5y=5-2x<BR>\n" );
document.write( "divide by -5<BR>\n" );
document.write( "-5y/-5=5/-5 -2x/-5<BR>\n" );
document.write( "y=-1+2x/5<BR>\n" );
document.write( "y=2x/5-1<BR>\n" );
document.write( "the slope of this line = 2/5<BR>\n" );
document.write( "slope of od * slope of other = -1<BR>\n" );
document.write( "m1*m2=-1<BR>\n" );
document.write( "so they are perpendicular.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );