Quadratic Sequences: nth Term

This video tutorial explains how to find the NTH term for quadratic sequences. It begins by identifying quadratic sequences through constant second differences and demonstrates the process of calculating the NTH term. The tutorial includes examples and practice problems to reinforce learning, emphasizing the importance of checking results.

What is the significance of the second difference in determining the type of sequence?

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How do you find the NTH term of a quadratic sequence?

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What formula do you derive for the NTH term if the second difference is constant and equal to 2?

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Describe how to verify the NTH term formula you have found for a quadratic sequence.

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Explain the process of finding the first and second differences in a sequence.

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