Mathematics · May / June 2020 · Paper 41 · Question 3
0580
As printed in the paper
Show the answer and mark scheme
3(a)[2]
75.6 [2]
M1 for 5.2 × 7 + 1 2 × 1.6 × 72
3(b)(i)[2]
2a – 3b final answer [2]
B1 for answer 2a + kb or ka – 3b or for 2a – 3b seen in working
3(b)(ii)[2]
3 4 [2]
B1 for 45 x x oe single fraction 60
3(c)(i)[1]
−5 [1]
3(c)(ii)[3]
−0.25 or – 1 4 [3]
M1 for 20 – 12x = 23 or for 5 – 3x = 23 4
M1 for correct completion to ax = b FT their first step
3(d)[2]
9x6 [2]
B1 for 9xk or kx6
3(e)[2]
6x2 – 7xy – 5y2 [2]
M1 for 3 terms out of 4 from 6x2 – 10xy + 3xy – 5y2
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