document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=282958>Question 282958</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In each case determine whether the lines are parallel, perpendicular, or neither.\r<BR>\n" );
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document.write( "y=x+7<BR>\n" );
document.write( "y=-x+2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #205421 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=205421\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> slope of the first line is 1<BR>\n" );
document.write( "slope of the second line is -1\r<BR>\n" );
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document.write( "their product 1*-1 =-1 so they are perpendicular. </SPAN>\n" );
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