document.write( "Question 1039880: Which term of the arithmetic sequence is -18 , given a1=7 and a2=2? \n" ); document.write( "
Algebra.Com's Answer #654632 by Aldorozos(172)![]() ![]() ![]() You can put this solution on YOUR website! Read here \n" ); document.write( "http://www.regentsprep.org/regents/math/algtrig/atp2/arithseq.htm \n" ); document.write( "Your first term is 7\r \n" ); document.write( "\n" ); document.write( "The second term is \n" ); document.write( "2=7+(2-1)r \n" ); document.write( "r=-5\r \n" ); document.write( "\n" ); document.write( "-18= 7+ (n-1)(-5) \n" ); document.write( "N=6 \n" ); document.write( " |