involving Substitutes = to find = and , i.e. A1 ft 1.1b t −11 x −9 parametric equations. (4) (14 marks) Notes 4c Award ft marks for correct answer using incorrect values from part b. Pearson Progression Step Q Scheme Marks AOs and Progress descriptor Interprets the stone hitting the ground as when 5a M1 3.4 8th Use parametric Makes an attempt to use the quadratic formula to find t. 2.2a M1 equations in For example,is seen. modelling in a variety of Finds M1 1.1b contexts. A1 3.2a Deducesm. Accept awrt 24.6 (4) Finds 5b M1 2.2a 8th Use parametric Demonstrates an understanding that the greatest height will M1 3.1a equations in occur when. For example, modelling in a variety of Solves to find M1 1.1b contexts. Makes an attempt to find the greatest height by substituting into M1 ft 3.2a For example, Finds ==13.265… m. Accept awrt 13.3 m. y A1 ft 1.1b (5) (9 marks) Notes 5b can also be found using. This is an acceptable method. 5b Award ft marks for correct sketch using incorrect values from earlier in part b.
involving parametric equations. Substitutes t = −11 to find x = −9 and , i.e. A1 ft 1.1b (4) (14 marks) Notes 4c Award ft marks for correct answer using incorrect values from part b. Q Scheme Marks AOs Pearson Progression Step and Progress descriptor 5a Interprets the stone hitting the ground as when M1 3.4 8th Use parametric equations in modelling in a variety of contexts. Makes an attempt to use the quadratic formula to find t. For example,is seen. M1 2.2a Finds M1 1.1b Deducesm. Accept awrt 24.6 A1 3.2a (4) 5b Finds M1 2.2a 8th Use parametric equations in modelling in a variety of contexts. Demonstrates an understanding that the greatest height will occur when. For example, M1 3.1a Solves to find M1 1.1b Makes an attempt to find the greatest height by substituting into For example, M1 ft 3.2a Finds y ==13.265… m. Accept awrt 13.3 m. A1 ft 1.1b (5) (9 marks) Notes 5b can also be found using. This is an acceptable method. 5b Award ft marks for correct sketch using incorrect values from earlier in part b.
al_maths_pure_unit_7_ms.docx