Here are the first 5 terms of a quadratic sequence.
6 12 20 30 42
The n n\,nth term of the sequence is n2+3n+2n^2 + 3n + 2n2+3n+2.
Hence, determine whether 182 is a term in the 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.