document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=243622>Question 243622</A>: <I><SPAN STYLE=\"word-break: break-all;\"> decide whether the pair of lines is parallel, perpendicular, or neither.\r<BR>\n" );
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document.write( "5x + 4y = 8<BR>\n" );
document.write( "4x - 5y = 4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #178506 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=178506\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5x + 4y = 8<BR>\n" );
document.write( "4y=-5x+8<BR>\n" );
document.write( "y=-5x/4+8/4<BR>\n" );
document.write( "y=-5x/4+2<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "4x - 5y = 4<BR>\n" );
document.write( "-5y=-4x+4<BR>\n" );
document.write( "y=-4x/-5+4/-5<BR>\n" );
document.write( "y=4x/5-4/5<BR>\n" );
document.write( "slopes are -5/4 & 4/5 therefore these lines are perpendicular.  </SPAN>\n" );
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