document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1131877>Question 1131877</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which of the following lines are perpendicular,line(a) x +2y =6 line(b)3x-2y=6, line(c) 6x + 4y=6.Prove answer by graphing </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #748594 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=748594\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> perpendicular slopes multiplied together=-1, the negative reciprocal.  None of these lines is perpendicular. The graph below shows a line perpendicular to the first one.<BR>\n" );
document.write( "the first is y=(-1/2 )x+3<BR>\n" );
document.write( "the second is y=(3/2) x -3<BR>\n" );
document.write( "the third is y=(-3/2)x+3/2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C%28-1%2F2%29x%2B3%2C%283%2F2%29x-3%2C%28-3%2F2%29x%2B1.5%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C%28-1%2F2%29x%2B3%2C2x-3%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C%28-1%2F2%29x%2B3%2C2x-3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );