document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1136726>Question 1136726</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The distance between the points A 1,2k) and B (1-k, 1) is √11-9k.Find the possible values of k. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #754525 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13203)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=754525\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Use the distance formula, aka the Pythagorean Theorem:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sqrt%2811-9k%29%29%5E2+=+%281-%281-k%29%29%5E2%2B%282k-1%29%5E2 ALIGN=MIDDLE  ALT=\"%28sqrt%2811-9k%29%29%5E2+=+%281-%281-k%29%29%5E2%2B%282k-1%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Basic algebra leads to a quadratic equation that does not factor, so the answers are ugly irrational numbers.<br><BR>\n" );
document.write( "You can do the work to find them.<br><BR>\n" );
document.write( "(Or check to see if you have posted the problem correctly; this kind of problem, as a learning exercise, would usually have rational numbers for answers.) </SPAN>\n" );
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