document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=210005>Question 210005</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395771188/algebrahomeworkh>Algebra and Trigonometry</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Find the value of K so that the point P lies on the line L.  P(2,1), L; 3x + ky = 8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #159145 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=159145\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What's the value of k such that the given point P(2, 1) lies on the line given by:<BR>\n" );
document.write( "3x+ky = 8 Substitute x = 2 and y = 1 and solve for k.<BR>\n" );
document.write( "3(2)+k(1) = 8<BR>\n" );
document.write( "6+k = 8 <BR>\n" );
document.write( "k = 2.<BR>\n" );
document.write( "Check: 3x+2y = 8 Rewrite in slope-intercept form:<BR>\n" );
document.write( "y = -(3/2)x+4  Substitute x = 2.<BR>\n" );
document.write( "y = -(3/2)(2)+4<BR>\n" );
document.write( "y = -3+4<BR>\n" );
document.write( "y = 1 OK </SPAN>\n" );
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