document.write( "Question 1070605: the third term of an arithmetic sequence is 34 and the 15th term is -14. Determine the first 2 terms \n" ); document.write( "
Algebra.Com's Answer #685658 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! the third term of an arithmetic sequence is 34 and the 15th term is -14. Determine the first 2 terms \n" ); document.write( "------- \n" ); document.write( "a(1)+2d = 34 \n" ); document.write( "a(1)+14d = -14 \n" ); document.write( "-------------------- \n" ); document.write( "Subtract and solve for \"d\":: \n" ); document.write( "12d = -48 \n" ); document.write( "d = -4 \n" ); document.write( "------------------------- \n" ); document.write( "Solve for a(1) \n" ); document.write( "a(1) + 2(-8) = 34 \n" ); document.write( "a(1) = 50 \n" ); document.write( "a(2) = 50-4 = 46 \n" ); document.write( "------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------ \n" ); document.write( " |