Skip to content

Course home

The Nth Term of a Quadratic Sequence

The Nth Term of a Quadratic Sequence

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081
Question 56

Here are the first 5 terms of a quadratic sequence.

-8 2 16 34 56

a.

Find the first differences and the second difference.

[2]
b.

Show that the n n\,nth term is 2n2+4n−142n^2 + 4n - 142n2+4n−14

[4]
c.

Hence, determine whether 272 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.

Question bank