Here are the first 5 terms of a quadratic sequence.
16 24 34 46 60
Show that the n n\,nth term is n2+5n+10n^2 + 5n + 10n2+5n+10
Hence, determine whether 214 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.