(e) Area of = T Correct area for T B1 Attempt at M1 6 or follow through their A1ft Area of det(QR) x Their triangle area provided area > 0 (3) (11 marks) Marks Scheme Notes B1 5(a) Attempt to expand or any valid method to establish the quadratic factor e.g. M1 Sum of roots 6, product of roots 10 Attempt at linear factor with their in cd M1 Or Or attempts f(2) A1 Showing that = 0 is equivalent to scoring both so it is possible to (4) f(2) M’s 0 gain all 4 marks quite easily e.g. B1, shows = M2, A1. f(2) Answers only can score 4/4 5(b) B1 B1
(e) Area of T = Correct area for T B1 Area of Attempt at M1 6 or follow through their det(QR) x Their triangle area provided area > 0 A1ft (3) (11 marks) Scheme Notes Marks 5(a) B1 Attempt to expand or any valid method to establish the quadratic factor e.g. Sum of roots 6, product of roots 10 M1 Attempt at linear factor with their cd in Or Or attempts f(2) M1 A1 Showing that f(2) = 0 is equivalent to scoring both M’s so it is possible to gain all 4 marks quite easily e.g. B1, shows f(2) = 0 M2, A1. Answers only can score 4/4 (4) 5(b) B1 B1
fp1_all-past-papers.docx