Spotting a quadratic sequence
Spotting a quadratic sequence

A sequence is a list of numbers following a rule, and the position of each term is called the term number nnn. The nth term is a formula that gives the value of a term for any chosen position.
Step-by-step lessons on CCEA GCSE Maths The Nth Term of a Quadratic Sequence. Each one builds up to exam-style questions. Build fluency with number, ratio and algebra first, since geometry, probability and statistics topics rely on them, and leave extra time nearer the exam for Higher-tier problem-solving and multi-step reasoning questions.