SequencesIn this study, we identify ways in which a sample of 18 graduates with mathematics-related first degrees found the nth term for quadratic sequences from the first values of a sequence of data, presented on a computer screen in various formats: tabular, scattered data pairs and ...
FindingthenthTerm •Ifyouwanttofindaterminanarithmeticsequencethatisfarintothe pattern,thereisaformulatouse. a n =a 1 +(n–1)(d) a n =theanswertermyouarelookingforinthesequence a 1 =thefirstterminthesequence n=theordinalnumbertermyouarelookingforinthesequence ...
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