document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=734773>Question 734773</A>: <I><SPAN STYLE=\"word-break: break-all;\"> determine whether the sequence is arithmetic if it is find the common difference  3,5/2,2,3/2,1,1/2<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #449130 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=449130\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> determine whether the sequence is arithmetic if it is find the common difference 3,5/2,2,3/2,1,1/2<BR>\n" );
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document.write( "Subtract the pairs as they progress to see if there is a common difference:<BR>\n" );
document.write( "(5/2)-3 = -1/2<BR>\n" );
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document.write( "2-(5/2) = -1/2<BR>\n" );
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document.write( "(3/2)- 2 = -1/2<BR>\n" );
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document.write( "1-(3/2) = -1/2<BR>\n" );
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document.write( "(1/2)-1 = -1/2<BR>\n" );
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document.write( "It is arithmetic and the common difference is -1/2<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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