document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=785280>Question 785280</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the value of k so that the line containing the points (6,8) and (k,6) is parallel to the line containing the points (&#8722;7,&#8722;9) and (0,&#8722;12). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #477443 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=477443\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Slope of first pair, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%288-6%29%2F%286-k%29=2%2F%286-k%29 ALIGN=MIDDLE  ALT=\"%288-6%29%2F%286-k%29=2%2F%286-k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Slope of second pair, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-9-%28-12%29%29%2F%28-7-0%29=-3%2F7 ALIGN=MIDDLE  ALT=\"%28-9-%28-12%29%29%2F%28-7-0%29=-3%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "In order for the lines of each pair to be perpendicular, their slopes must be negative reciprocals of eachother:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F%286-k%29=7%2F3 ALIGN=MIDDLE  ALT=\"2%2F%286-k%29=7%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2=7%286-k%29%2F3 ALIGN=MIDDLE  ALT=\"2=7%286-k%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6=7%286-k%29 ALIGN=MIDDLE  ALT=\"6=7%286-k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6=42-7k ALIGN=MIDDLE  ALT=\"6=42-7k\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7k=42-6 ALIGN=MIDDLE  ALT=\"7k=42-6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7k=36 ALIGN=MIDDLE  ALT=\"7k=36\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=36%2F7 ALIGN=MIDDLE  ALT=\"k=36%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Your other two questions are handled similarly. </SPAN>\n" );
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