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The Nth Term of a Quadratic Sequence

The Nth Term of a Quadratic Sequence

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Question 6

Here are the first 5 terms of a quadratic sequence.

-4 3 12 23 36

a.

Show that the n n\,nth term is n2+4n−9n^2 + 4n - 9n2+4n−9

[4]
b.

Hence, determine whether 87 is a term in the sequence.

[2]
Markscheme

The Nth Term of a Quadratic Sequence Questions

  1. GCSE
  2. /Maths
  3. /The Nth Term of a Quadratic Sequence

201 exam-style questions on OCR GCSE Maths The Nth Term of a Quadratic Sequence. Each one has a worked solution and a mark scheme showing where the marks go.

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