document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=466506>Question 466506</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What must be true about the slopes of two perpendicular lines, neither of which vertical?<BR>\n" );
document.write( "a) The Slopes Are Equal<BR>\n" );
document.write( "b) The Slopes Have Product 1<BR>\n" );
document.write( "c) The Slopes Have Product -1<BR>\n" );
document.write( "d) One Of The Slopes Must Be 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #319810 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=319810\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> c) The slopes have product -1. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );