Save guides, add subjects and pick up where you left off with your BBC account. Here are some examples of quadratic equations in this form: \(2x^2 - 2x - 3 = 0\). \(a ...

Quadratic sequences are sequences that include an \(n^2\) term. They can be identified by the fact that the differences in-between the terms are not equal, but the second differences between terms are ...

From trigonometry to calculus and vectors to geometry, few students take A-level mathematics thinking it's going to be an easy subject. But for Daily Mail readers who know their sequences from their ...