document.write( "Question 1208339: Find the next term 5, 14, 17, 30, \n" ); document.write( "
Algebra.Com's Answer #846705 by mccravyedwin(407)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "No, Ikleyn, I'm not being a troll. Here are two perfectly correct logical\r\n" ); document.write( "patterns that give the same four numbers but which produce different\r\n" ); document.write( "5th numbers. I am doing this to point out something VERY CORRECT that\r\n" ); document.write( "YOU and another tutor SAID about such problems. Their answers are not unique.\r\n" ); document.write( "\r\n" ); document.write( "Unfortunately, aptitude tests for getting jobs very often include number\r\n" ); document.write( "sequences such as this one. I know from personal experience from my younger\r\n" ); document.write( "years when applying for employment. That's why we should take them seriously.\r\n" ); document.write( "Maybe to PROTEST AGAINST them! Or else to hopefully get educators to study such\r\n" ); document.write( "number sequence problems given on such job exams. Somebody should investigate\r\n" ); document.write( "what is going on with these sequence problems on tests for people interviewing\r\n" ); document.write( "for jobs. If there are specific types of patterns for them that are required to\r\n" ); document.write( "answer them, these should be taught in schools.\r\n" ); document.write( " \r\n" ); document.write( "I made a mistake on the lst one so I deleted it. I had a different one, decided\r\n" ); document.write( "to change it and forgot to change the numbers in the 5th part. Here is the\r\n" ); document.write( "corrected version, plus another one below that gives the same results using a\r\n" ); document.write( "cubic equation in n.\r\n" ); document.write( "\r\n" ); document.write( "First one (with the numbers corrected in the last step):\r\n" ); document.write( "\r\n" ); document.write( "Start with 5.\r\n" ); document.write( " \r\n" ); document.write( "Take the absolute difference between 5 and 9, get 4.\r\n" ); document.write( "Square 4, get 16, add 26, get 42, divide by 3, get 14. \r\n" ); document.write( "\r\n" ); document.write( "Take the absolute difference between 14 and 9, get 5.\r\n" ); document.write( "Square 5, get 25, add 26, get 51, divide by 3, get 17.\r\n" ); document.write( "\r\n" ); document.write( "Take the absolute difference between 17 and 9, get 8.\r\n" ); document.write( "Square 8, get 64, add 26, get 90, divide by 3, get 30. \r\n" ); document.write( "\r\n" ); document.write( "Take the absolute difference between 30 and 9, get 21.\r\n" ); document.write( "Square 21, get 441, add 26, get 467, divide by 3, get 155 2/3.\r\n" ); document.write( "\r\n" ); document.write( "Answer 155 2/3.\r\n" ); document.write( "\r\n" ); document.write( "Second one:\r\n" ); document.write( "\r\n" ); document.write( "You can also substitute integers 1 through 4 in the following cubic polynomial\r\n" ); document.write( "in n and get the same 4 numbers you gave.\r\n" ); document.write( "\r\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |