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The Nth Term of a Quadratic Sequence

The Nth Term of a Quadratic Sequence

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Question 11

Here are the first 5 terms of a quadratic sequence.

6 13 26 45 70

a.

Show that the n n\,nth term is 3n2−2n+53n^2 - 2n + 53n2−2n+5

[4]
b.

Hence, determine whether 138 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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