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Mathematics 8 Online
OpenStudy (anonymous):

The first five terms in a quadratic sequence are shown below. 3, 9, 19, 33, 51,... What is the nth term in the sequence? A. 3n2 + 1 B. 2n2 + 2 C. 2n2 + 1 D. n2 + 2

OpenStudy (anonymous):

Plug in numbers 1-5 into each equation. Does it match the output? If not, try the next one. You can do this in your head if you wish to. hopefully when you mean "3n2", you actually meant 3n^2?

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