document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1151068>Question 1151068</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the value of k so that the line 5x+ky=9 passes through the point P(-2,4).  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #772680 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=772680\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"times\" color=\"black\" size=\"3\"><BR>\n" );
document.write( "5x+ky=9<BR>\n" );
document.write( "5(-2)+k(4)=9 ... plug in (x,y) = (-2,4)<BR>\n" );
document.write( "-10+4k = 9<BR>\n" );
document.write( "-10+4k+10 = 9+10 ... add 10 to both sides<BR>\n" );
document.write( "4k = 19<BR>\n" );
document.write( "4k/4 = 19/4 ... divide both sides by 4<BR>\n" );
document.write( "k = 19/4<BR>\n" );
document.write( "k = 4.75\r<BR>\n" );
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document.write( "So k = 19/4 in fraction form, which is equivalent to k = 4.75 in decimal form.<BR>\n" );
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