document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=147837>Question 147837</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I don't understand this: find the value of k if the line joining (4,k) and (3,1) is parallel to the line y=-1/2x-9/2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #108209 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=108209\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If lines are parallel, it means their slopes are equal. <BR>\n" );
document.write( "The line has a slope of (-1/2).<BR>\n" );
document.write( "The formula for the slope given two points is,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29 ALIGN=MIDDLE  ALT=\"m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=%281-k%29%2F%283-4%29=%281-k%29%2F%28-1%29=k-1 ALIGN=MIDDLE  ALT=\"m=%281-k%29%2F%283-4%29=%281-k%29%2F%28-1%29=k-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "For parallel lines, set the slope equal to (-1/2) and solve for k.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k-1=-1%2F2 ALIGN=MIDDLE  ALT=\"k-1=-1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=1%2F2 ALIGN=MIDDLE  ALT=\"k=1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+300%2C+300%2C+-2%2C+5%2C+-8%2C+4%2Cgrid%28+1+%29%2Ccircle%28+3%2C+1%2C+.1+%29%2Ccircle%28+4%2C+.5%2C+.1+%29%2Cgreen%28line%283%2C1%2C-3%2C4%29%29%2Cgreen%28line%283%2C1%2C4%2C.5%29%29%2Cgreen%28line%289%2C-2%2C4%2C.5%29%29%2Cgraph%28+300%2C+300%2C+-2%2C+5%2C+-8%2C+4%2C+-.5x-4.5%29%29+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Here is a graph of the line, the two points and the new line.   </SPAN>\n" );
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