document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=43797>Question 43797</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help please:  Determine algebraically whether the lines are parallel, perpendicular or neither.  State the number of solution.  \r<BR>\n" );
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document.write( "x - y = 5<BR>\n" );
document.write( "    x = 5 - y </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #28750 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=28750\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x - y = 5<BR>\n" );
document.write( "-y = -x + 5<BR>\n" );
document.write( "y = x - 5<BR>\n" );
document.write( "and<BR>\n" );
document.write( "x = 5 - y<BR>\n" );
document.write( "x - 5 = -y<BR>\n" );
document.write( "-x + 5 = y<BR>\n" );
document.write( "The slopes are perpendicular, so the lines are perpendicular. There is only one solution.<BR>\n" );
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