document.write( "Question 1096234: 7, 21, 8, 72, 9, ?\r
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document.write( "2, 7, 26, 101, 400, ? \n" );
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Algebra.Com's Answer #710757 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! 7, 21, 8, 72, 9, ? \n" ); document.write( " \r\n" ); document.write( "Start with 1st term 7.\r\n" ); document.write( "\r\n" ); document.write( "Multiply 1st term 7 by 31, get 2nd term 21.\r\n" ); document.write( "\r\n" ); document.write( "Add 1 to the 1st term, get 3rd term 8,\r\n" ); document.write( "\r\n" ); document.write( "Multiply 3rd term 8 by 32, get 4th term 72.\r\n" ); document.write( "\r\n" ); document.write( "Add 1 to the 3rd term, get 5th term 9,\r\n" ); document.write( "\r\n" ); document.write( "Multiply 5th term 9 by 33, get 5th term 243. <--answer.\r\n" ); document.write( "\r\n" ); document.write( "Add 1 to the 5th term, get 7th term 10,\r\n" ); document.write( "\r\n" ); document.write( "Multiply 7th term 10 by 34, get 8th term 810.\r\n" ); document.write( "\r\n" ); document.write( "--------------------\r\n" ); document.write( " \n" ); document.write( "2, 7, 26, 101, 400, ? \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "Start with 1st term 2\r\n" ); document.write( "\r\n" ); document.write( "Multiply 1st term 2 by 4, getting 8, then subtracting 1, \r\n" ); document.write( " getting 2nd term 7.\r\n" ); document.write( "\r\n" ); document.write( "Multiply 2nd term 7 by 4, getting 28, then subtracting 2, \r\n" ); document.write( " getting 3rd term 26. \r\n" ); document.write( "\r\n" ); document.write( "Multiply 3rd term 26 by 4, getting 104, then subtracting 3, \r\n" ); document.write( " getting 4th term 101.\r\n" ); document.write( "\r\n" ); document.write( "Multiply 4th term 101 by 4, getting 404, then subtracting 4, \r\n" ); document.write( " getting 5th term 400.\r\n" ); document.write( "\r\n" ); document.write( "Multiply 5th term 400 by 4, getting 1600, then subtracting , \r\n" ); document.write( " getting 6th term 1595. <---answer\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |