document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1069322>Question 1069322</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Y=-2x–8, 1/2x+y=-1<BR>\n" );
document.write( "A. Parallel<BR>\n" );
document.write( "B. Perpendicular<BR>\n" );
document.write( "C. Neither<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #684520 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=684520\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Compare the slopes,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%5B1%5D=-2 ALIGN=MIDDLE  ALT=\"m%5B1%5D=-2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%5B2%5D=-1%2F2 ALIGN=MIDDLE  ALT=\"m%5B2%5D=-1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Parallel lines have identical slopes.<BR>\n" );
document.write( "Perpendicular lines have slopes that are negative reciprocals.<BR>\n" );
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document.write( "In this case,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%5B1%5Dm%5B2%5D=-2%28-1%2F2%29=1 ALIGN=MIDDLE  ALT=\"m%5B1%5Dm%5B2%5D=-2%28-1%2F2%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So these lines are neither parallel nor perpendicular.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/display-illustration.mpl?tutor=Fombitz&illustration_name=der10.JPG\">. </SPAN>\n" );
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