document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=97660>Question 97660</A>: <I><SPAN STYLE=\"word-break: break-all;\"> even though we have our books in algebra...<BR>\n" );
document.write( "I do not understand what our teacher is tackling about... maybe he is so fast in discussing of the topics so that we can't relate to him...<BR>\n" );
document.write( "In our homework... i don't know what i am going to do because this topic is not yet discuss unto us but i want to learned it so i can get high score during our quizzes...i just want to know if how come the answer goes like this...an=2n-6?\r<BR>\n" );
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document.write( "our problem or exercise needed to solve is that:<BR>\n" );
document.write( "write a formula for the nth term of arithmetic sequence...<BR>\n" );
document.write( "==> -4,-2,0,2,4,...<BR>\n" );
document.write( "can you help me please... can you explain it to me?\r<BR>\n" );
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document.write( "it is not from the book... it's from our math teacher..<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #71068 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=71068\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> write a formula for the nth term of arithmetic sequence...<BR>\n" );
document.write( "==> -4,-2,0,2,4,...<BR>\n" );
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document.write( "The formula for the nth term of an arithmetic sequence is<BR>\n" );
document.write( "a(n) = a(1)+(n-1)d<BR>\n" );
document.write( "a(1) is the 1st term of the sequence<BR>\n" );
document.write( "d is the difference between any term and the one before it.<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Your Problem<BR>\n" );
document.write( "The 1st term is -4<BR>\n" );
document.write( "d = 2-0 = 2<BR>\n" );
document.write( "So the nth term is a(n)=-4+(n-1)*2<BR>\n" );
document.write( "a(n) = -4+2n-2<BR>\n" );
document.write( "a(n) = -6+2n<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );