document.write( "Question 1178663: fill in the blank of the sequence and the recursive definition \r
\n" ); document.write( "\n" ); document.write( "1 3
\n" ); document.write( "3 8
\n" ); document.write( "7 18
\n" ); document.write( "those are the term number so im missing 2,4,5,6\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "3, ,8, , , ,18
\n" ); document.write( "

Algebra.Com's Answer #808011 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "The recursive formula\r
\n" ); document.write( "\n" ); document.write( "\"a%5Bn%5D=a%5B1%5D%2Bd%28n-1%29\"\r
\n" ); document.write( "\n" ); document.write( "\"1\" |\"3\"
\n" ); document.write( "\"3\"|\"+8\"
\n" ); document.write( "\"7\"|\"+18\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"a%5B1%5D=3\"
\n" ); document.write( "\"8=3%2Bd%283-1%29\"
\n" ); document.write( "\"8-3=2d\"
\n" ); document.write( "\"2d=5\"
\n" ); document.write( "\"d=5%2F2\"
\n" ); document.write( "or
\n" ); document.write( "\"d=2.5\"\r
\n" ); document.write( "\n" ); document.write( "\"a%5Bn%5D=3%2B2.5%28n-1%29\"\r
\n" ); document.write( "\n" ); document.write( "check \"a%5B7%5D\"\r
\n" ); document.write( "\n" ); document.write( "\"a%5B7%5D+=+3+%2B+2.5+%287+-+1%29=18\"->true\r
\n" ); document.write( "\n" ); document.write( "so, we need \r
\n" ); document.write( "\n" ); document.write( "\"a%5B2%5D=3%2B2.5%282-1%29\"
\n" ); document.write( "\"a%5B2%5D=5.5\"\r
\n" ); document.write( "\n" ); document.write( "\"a%5B4%5D=3%2B2.5%284-1%29\"
\n" ); document.write( "\"a%5B4%5D=10.5\"\r
\n" ); document.write( "\n" ); document.write( "\"a%5B5%5D=3%2B2.5%285-1%29\"
\n" ); document.write( "\"a%5B5%5D=13\"\r
\n" ); document.write( "\n" ); document.write( "\"a%5B6%5D=3%2B2.5%286-1%29\"
\n" ); document.write( "\"a%5B6%5D=15.5\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "your sequence is:\r
\n" ); document.write( "\n" ); document.write( "\"3\",\"5.5\" ,\"8\", \"10.5\",\"13\" , \"15.5\",\"18\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );