(7) 4b States or implies thatis isosceles. M1 2.2a 6th geometric an attempt to find the missing angles M1 1.1b problems using vectors in 3 States. Accept awrt 56.8° A1 1.1b dimensions. (3) (10 marks) Notes 4b Award ft marks for a correct answer to part a using their incorrect answer from earlier in part a. Pearson Progression Step Q Scheme AOs and Progress descriptor 5 States and M1 2.2a 6th Solve geometric Makes an attempt to solve the pair of simultaneous equations. 1.1b M1 problems using Attempt could include making a substitution or multiplying the vectors in 3 first equation by 5 or by 7. dimensions Finds = A1 1.1b a −4 Find = 6 A1 1.1b b States = M1 2.2a −2abc −96 Finds = A1 1.1b c −2 (6 marks) Notes Pearson Progression Step Q Scheme Marks AOs and Progress descriptor
(7) 4b States or implies thatis isosceles. M1 2.2a 6th geometric problems using vectors in 3 dimensions. an attempt to find the missing angles M1 1.1b States. Accept awrt 56.8° A1 1.1b (3) (10 marks) Notes 4b Award ft marks for a correct answer to part a using their incorrect answer from earlier in part a. Q Scheme AOs Pearson Progression Step and Progress descriptor 5 States and M1 2.2a 6th Solve geometric problems using vectors in 3 dimensions Makes an attempt to solve the pair of simultaneous equations. Attempt could include making a substitution or multiplying the first equation by 5 or by 7. M1 1.1b Finds a = −4 A1 1.1b Find b = 6 A1 1.1b States −2abc = −96 M1 2.2a Finds c = −2 A1 1.1b (6 marks) Notes Q Scheme Marks AOs Pearson Progression Step and Progress descriptor
al_maths_pure_unit_12_ms.docx