document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=266440>Question 266440</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Pattern of squares<BR>\n" );
document.write( "Stage 1   2 squares<BR>\n" );
document.write( "Stage 2   6 squares<BR>\n" );
document.write( "Stage 3   12 squares<BR>\n" );
document.write( "Stage 4   20 squares\r<BR>\n" );
document.write( "\n" );
document.write( "Which expression can be used to determine the number of squares at stage n?<BR>\n" );
document.write( "A. 5n-3<BR>\n" );
document.write( "B. 4n-2<BR>\n" );
document.write( "C. 2 n2<BR>\n" );
document.write( "D. n2 + n </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #195741 by </B><A HREF=/tutors/aboutme.mpl?userid=drk><B>drk(1908)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drk><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=195741\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> THe answer is (D)<BR>\n" );
document.write( "1 x 2 = 2<BR>\n" );
document.write( "2 x 3 = 6<BR>\n" );
document.write( "3 x 4 = 12<BR>\n" );
document.write( "4 x 5 = 20<BR>\n" );
document.write( "...<BR>\n" );
document.write( "n(n+1) = n^2 + n </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );