States that 5376p3 = 84 M1ft − States or implies that the angle at is 74° B1 P States or implies the use of the cosine rule. For example, M1 Correctly solves for = so = A1ft p: p3 p − − Correctly find the coefficient of the = B1ft x term: 2304 (−) −576 Correctly find the coefficient of the term: = 288 B1ft x2 4608 (−)2 (4 marks) Total: 8 marks ft marks pursues a correct method and obtains a correct answer or answers from their NOTES: – 5376 from part a.
States that 5376p3 = − 84 M1ft Correctly solves for p: p3 = − so p = − A1ft Correctly find the coefficient of the x term: 2304 (−) = −576 B1ft Correctly find the coefficient of the x2 term: 4608 (−)2 = 288 B1ft (4 marks) Total: 8 marks NOTES: ft marks – pursues a correct method and obtains a correct answer or answers from their 5376 from part a. States or implies that the angle at P is 74° B1 States or implies the use of the cosine rule. For example, M1
19725_02_as_pure_mathematics_practice_paper_a_mark_scheme.docx