document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=92284>Question 92284</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine which two equations represent perpendicular lines.<BR>\n" );
document.write( "(a)  y = 2x – 9	(b)  y = 1/2 x + 9<BR>\n" );
document.write( "(c)  y = – 1/2 x + 9<BR>\n" );
document.write( "(d)  y =  1/2 x – 9\r<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 #67150 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=67150\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A & C ARE PERPENDICULAR BECAUSE THEIR SLOPES (2 & -1/2 ) ARE NEGATIVE RECIPRICALS OF EACH OTHER. </SPAN>\n" );
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