document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=321778>Question 321778</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the 100th term of the arithmetic sequence<BR>\n" );
document.write( "-3,-7,-11,-15 </SPAN>\n" );
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document.write( "-3,-7,-11,-15<BR>\n" );
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document.write( "a(1) = -3<BR>\n" );
document.write( "d = -7-(-3) = -4<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "a(100) = a(1) + (100-1)(-4)<BR>\n" );
document.write( "a(100) = -3 + 99(-4)<BR>\n" );
document.write( "a(100) = -399<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );