document.write( "Question 983064: How many terms are there in the A.P. -7,-4,-1,2...., 101? \n" ); document.write( "
Algebra.Com's Answer #603870 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! This is an arithmetic series with +3 being the common factor. \n" ); document.write( "There is a difference of 108 between 101 and -7 \n" ); document.write( "That divided by 3=36. \n" ); document.write( "The first term is added, so there are 37 terms.\r \n" ); document.write( "\n" ); document.write( "-7,-4,-2 are the three negative ones. \n" ); document.write( "2,5,8,11,14,17,20 are 7 terms. \n" ); document.write( "23 to 50 are 10 more \n" ); document.write( "53 to 80 are 10 more \n" ); document.write( "83,86,89,92,95,98,101 are the last 7 \n" ); document.write( "Those are the 37 terms. \n" ); document.write( " |