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Unofficial Mark Scheme June 2017 4H Edexcel IGCSE maths

Poll

What grade do you think you got on the paper?

These aren't in the right order, but we will get them all
1a) tal
B) portugaliy
C) no as a is in the intercept ( 3 in total for question one
2. A) 39 (2) b) y=4.4
3. 15 sides (3)
4. 6m + 9g (3)
5. A) 6 (2)b) 0.525 probability (3)
6. Rupees a) 24 250 b) £21
7. (-1.5, 7) midpoint question
8. Interquartile range is 9
9. Circle Theorem a) 52 (sub tended by the same arch) and 104 (angle in centre is twice angle at circumference
10. Percentage one - 43%
11. 28 (circle quadrilateral) (4)
12.a) prove that 3x^2-10x-117=0 you had times your answer by 2 to get that b) 4.80
13.a) a + c are parallel
B) 2y + 5x = 11
14. X= -1 or 1.25 (differentiation question) (5)
15. Fraction
A) 23/24
B) 31/9
16.algebra
A) e^15
B) 1
C) 4e^8
D) 9x^4
17.-1,0,1,2,3 (2 marks) inequality
18. 58.3
19. Histogram one: frequency density up to 5 on y axis and class width up to 300
20. 82.8 km/h (4)
21. 67.5 degrees (6) quad
22. 5x10^-3n-1 (3)
23. 128/81 (4)
24. Probability 2:
A)0.8 0.2
0.65, 0.35
0.4, 0.6
B) 0.36
(edited 6 years ago)

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Boost can someone help me ahahahHa
Reply 2
Most of these answers are wrong
Reply 3
Original post by Mhvhg
Most of these answers are wrong


No I got ones similarl or basically the same
Reply 4
Original post by Mhvhg
Most of these answers are wrong


No they're not.
Original post by Emm22
No I got ones similarl or basically the same


These are right got the same for all
They aren't all wrong
(edited 6 years ago)
Reply 7
Original post by mysticmagic2000
They aren't all wrong, I got 99/100 lol so


How do you know ur mark?
Reply 8
Original post by mysticmagic2000
They aren't all wrong, I got 99/100 lol so


how do you know that you got 99/100?

BTW - I agree your answers are correct except for the differentiation one. you've only given the x values but the question asked for the whole coordinate...
Reply 9
no it didn't
Original post by Dbishun
How do you know ur mark?

Dad is a maths teacher so just went over the paper with him
it said give the x coordinates
Original post by haqster
how do you know that you got 99/100?

BTW - I agree your answers are correct except for the differentiation one. you've only given the x values but the question asked for the whole coordinate...


It asked for just the x co ordinates I remember rightly
Reply 13
Original post by haqster
how do you know that you got 99/100?

BTW - I agree your answers are correct except for the differentiation one. you've only given the x values but the question asked for the whole coordinate...

It asked the x coordinates
I remember 6m + 9g =t, 21 pounds for the amount of money - cant remember first part
Reply 15
All right except 14: which I'm pretty sure is 1 or -1.25 and not -1 and 1.25
Reply 16
Original post by number0
I remember 6m + 9g =t, 21 pounds for the amount of money - cant remember first part

The first part was abt the amount in rupees
i got Rs.24250 or something simillar
Original post by samhisk
All right except 14: which I'm pretty sure is 1 or -1.25 and not -1 and 1.25


I thought it was -1 and 1.25, could be wrong tho
Original post by Bush111
The first part was abt the amount in rupees
i got Rs.24250 or something simillar


yeh that sounds familiar
my class mates and i got 2.88 for the last question.

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