document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=319062>Question 319062</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Are the pair of lines parallel, perpendicular, or neither?<BR>\n" );
document.write( "5x+3y=4<BR>\n" );
document.write( "3x-5y=9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #228397 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=228397\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Garamond\" size=\"+2\">\r<BR>\n" );
document.write( "\n" );
document.write( "Put each of the equations into slope-intercept form, that is into <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\ =\ mx\ +\ b\"> form.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "If the slopes are equal, then the lines are parallel.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "If the slopes are negative reciprocals, that is if <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \ m_1\ =\ -\frac{1}{m_2}\">, then the lines are perpendicular.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "If neither relationship holds, the lines are neither parallel or perpendicular.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
document.write( "</font> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );