Pearson Progression Step Q Scheme Marks AOs and Progress descriptor 6a Rearrangesto obtain M1 1.1b 8th Use parametric Substitutesinto M1 1.1b equations in For example,is seen. modelling in a variety of A1 1.1b contexts. (3) 6b Deduces that the width of the arch can be found by substituting M1 3.4 8th into Use parametric equations in Finds = 0 and = 160 and deduces the width of the arch is A1 3.2a x x modelling in a 160 m. variety of contexts. (2) 6c Deduces that the greatest height occurs when M1 3.4 8th Use parametric Deduces that the height is 100 m. A1 3.2a equations in modelling in a variety of contexts. (2) (7 marks) Notes
Q Scheme Marks AOs Pearson Progression Step and Progress descriptor 6a Rearrangesto obtain M1 1.1b 8th Use parametric equations in modelling in a variety of contexts. Substitutesinto For example,is seen. M1 1.1b A1 1.1b (3) 6b Deduces that the width of the arch can be found by substituting into M1 3.4 8th Use parametric equations in modelling in a variety of contexts. Finds x = 0 and x = 160 and deduces the width of the arch is 160 m. A1 3.2a (2) 6c Deduces that the greatest height occurs when M1 3.4 8th Use parametric equations in modelling in a variety of contexts. Deduces that the height is 100 m. A1 3.2a (2) (7 marks) Notes
al_maths_pure_unit_7_ms.docx