Use second Finds M1 1.1b derivatives to solve problems of States thatfor alland concludes this implies is concave over B1 3.2a C concavity, the given interval. convexity and points of inflection. (3) 7b States or implies that a point of inflection occurs when M1 3.1a 7th Use second Finds = A1 1.1b x −2 derivatives to solve problems of Substitutes = into, obtaining = 46 A1 1.1b x y −2 concavity, convexity and points of inflection. (3) (6 marks) Notes Pearson Progression Step Q Scheme AOs and Progress descriptor 8 Attempts to write a differential equation. M1 3.1a 7th For example,oris seen. Construct simple differential States 3.1a A1 equations. (2 marks) Notes Pearson Q Scheme AOs Progression Step
Use second derivatives to solve problems of concavity, convexity and points of inflection. Finds M1 1.1b States thatfor alland concludes this implies C is concave over the given interval. B1 3.2a (3) 7b States or implies that a point of inflection occurs when M1 3.1a 7th Use second derivatives to solve problems of concavity, convexity and points of inflection. Finds x = −2 A1 1.1b Substitutes x = −2 into, obtaining y = 46 A1 1.1b (3) (6 marks) Notes Q Scheme AOs Pearson Progression Step and Progress descriptor 8 Attempts to write a differential equation. For example,oris seen. M1 3.1a 7th Construct simple differential equations. States A1 3.1a (2 marks) Notes Q Scheme AOs Pearson Progression Step
al_maths_pure_unit_8_ms.docx