I've always wondered why we halve the second difference when finding the nth term of a quadratic sequence. Then determine the 6th term. Subscribers can manage class lists, lesson plans and assessment data in the Class Admin application and have access to reports of the Transum Trophies earned by class members. Are you a mathematician? Thankfully Edexcel's sample assessment materials clarify this for us - this question appears on both their foundation and higher sample papers: Kevin Newton Kevin has edited encyclopedias, taught middle and high school history, and has a master's degree in Islamic law. Mathematicians are not the people who find Maths easy; they are the people who enjoy how mystifying, puzzling and hard it is.

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Arithmetic Sequences: A Formula for the ' n - th ' Term

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