document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1136512>Question 1136512</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Are these pairs of lines parallel, perpendicular, or neither?<BR>\n" );
document.write( "Line 1: (8,-10) and (0,-26)<BR>\n" );
document.write( "Line 2: (2,5) and (4,4) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #754263 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=754263\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> slopes are needed<BR>\n" );
document.write( "for line 1 it is -26-(-10) divided by 0-8, and that is -16/-8 or 2<BR>\n" );
document.write( "for line 2 it is 4-5 divided by 4-2 and that is -1/2<BR>\n" );
document.write( "2 and -1/2 are negative reciprocals of one another.  The lines are perpendicular\r<BR>\n" );
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document.write( "y+26=2x<BR>\n" );
document.write( "y=2x-26<BR>\n" );
document.write( "y-4=(-1/2)(x-4)<BR>\n" );
document.write( "y=(-1/2)x+6<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );