Here are the first 5 terms of a quadratic sequence.
-1 5 13 23 35
Show that the n n\,nth term is n2+3n−5n^2 + 3n - 5n2+3n−5
Hence, determine whether 175 is a term in the sequence.
Practise OCR GCSE Maths The Nth Term of a Quadratic Sequence with exam-style questions for Foundation and Higher tier. 48 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.