How is the average gradient between two points on a curve defined?
The gradient of the tangent at one of those points.
The vertical distance between those two points on the curve.
The gradient of the chord (or secant) joining those two points.
The gradient of the curve measured between those two points.
Flashcards for Edexcel AS Level Maths 12.2 Differentiation from first principles, covering the key formulae, methods and definitions you need to recall for Paper 1 and Paper 2. 20 cards, matched to the Edexcel AS Level Maths (8MA0) specification.
