Question

Find the nth term of this quadratic sequence
4, 16, 36, 64, 100, ...

Answer 1

Answer:

144, 196, 256

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Answer 2

A1 term is 4. Since it was given it was a quadratic, We know it’s at least a*n^2.

First term means that n=1, squaring it gives you 1 and if you divide that into the term, you get 4.

That makes the equation An = 4n^2

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