document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=341895>Question 341895</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I think this is the right topic. I need help with my Quadratic sequences homework, as I have a very bad teacher, and nearly no one in my class understands what he says.\r<BR>\n" );
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document.write( "I need help in finding the nth term for these sequences:<BR>\n" );
document.write( "a)7,8,10,13,17<BR>\n" );
document.write( "b)2,3,5,8,12<BR>\n" );
document.write( "c)1,3,7,13,21<BR>\n" );
document.write( "d)5,8,14,23,35\r<BR>\n" );
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document.write( "Please help, and if you could show your workings, that would help me a lot. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #244780 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=244780\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need help in finding the nth term for these sequences:<BR>\n" );
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document.write( "comment: In each case you need to \"see\" the pattern.<BR>\n" );
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document.write( "a)7,8,10,13,17<BR>\n" );
document.write( "a(1) = 7<BR>\n" );
document.write( "a(2) = 7+1 = 8 <BR>\n" );
document.write( "a(3) = 8+2 = 10 <BR>\n" );
document.write( "a(4) = 10+3 = 13<BR>\n" );
document.write( "a(5) = 13+4 = 17<BR>\n" );
document.write( "....<BR>\n" );
document.write( "a(n) = a(n-1)+(n-1) where a(1)=7 and n>=2<BR>\n" );
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document.write( "b)2,3,5,8,12<BR>\n" );
document.write( "I think that 12 should be 5+8=13<BR>\n" );
document.write( "Then a(n) = a(n-2)+a(n-1) where a(1)=2 and a(2)=3<BR>\n" );
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document.write( "c)1,3,7,13,21<BR>\n" );
document.write( "a(n) = 1+2(n-1) for n = 0,1,2,3.....<BR>\n" );
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document.write( "d)5,8,14,23,35<BR>\n" );
document.write( "a(1) = 5<BR>\n" );
document.write( "a(2) = a(1)+3<BR>\n" );
document.write( "a(3) = a(2)+2(3)<BR>\n" );
document.write( "a(4) = a(3)+3(3)<BR>\n" );
document.write( "a(5) = a(4)+4(3)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "a(n) = a(n-1)+3(n-1)<BR>\n" );
document.write( "==========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
document.write( " </SPAN>\n" );
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