document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=137667>Question 137667</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0030522234/algebrahomeworkh>Algebra 2</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Evaluate.\r<BR>\n" );
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document.write( "For a certain arithmetic series, S4=50 and S5=75. Find the first five terms.\r<BR>\n" );
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document.write( "I know the answer to this question is -25, 0, 25, 50, and 75, but I have to show my work and i'm not sure how i should do this. Can u help?\r<BR>\n" );
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document.write( "Thanx. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #100701 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=100701\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sn=kn+so<BR>\n" );
document.write( "S5-S4=k=75-50=25\r<BR>\n" );
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document.write( "then Sn=25n+ao<BR>\n" );
document.write( "S4=100+ao=50<BR>\n" );
document.write( "then ao=-50\r<BR>\n" );
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document.write( "then Sn=25n-50<BR>\n" );
document.write( "then So=-50, S1=-25,S2=0,S3=25,S4=50\r<BR>\n" );
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document.write( " </SPAN>\n" );
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