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# Edexcel A2 C4 Mathematics June 2016 - Official Thread watch

1. (Original post by exclamationmark)
Do examiners allow marks for errors carried forward across parts of a question?
it depends on the questions, sometimes the mark schemes allows error carrying forward and sometimes it doesnt...usually it does not...
2. (Original post by Questioner1234)
Would 65/75 C4 and 68/75 C3 be an A*. Trying to find worst case scenario ?????
Thanks

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Posted from TSR Mobile
Likely to be ~90 UMS in C3 and just under in C4. It could be an A* but it'll be very, very close.
3. can anyone post Question. 4?
4. (Original post by WillRose)

1) didnt write it down
2) A= 1.083
exact = 8/3l(2)-1
3) 3pi+62/pi+22
4) x=60e^-5/2t
t= 633 mins
Q?? -2ln(y)+3ln(3y+2)
6??) lambda=8
area = -3root3 -4/3pi
Volume of rev question k=17/2
V= 1696/5 pi
Parametric question m=-5root3 / 16
x=4 y=5root3
8) costheta=4/5
length=2root2
area= 2.4
E= (-7,28/5,21/5) (-3,12/5,9/5)

wont all be correct and cant remember which order they were in too well but its a start

Last vector part is wrong
5. (Original post by somevirtualguy)
Yeah would be easier to just divide by x
how many marks do u think i will have lost
i must have got it wrong if i got c as -720 instead of ln......
6. 90UMS predictions anyone?
7. (Original post by alex_david97)
90UMS predictions anyone?
70/75
8. (Original post by SeanFM)
A* is 480 UMS or more overall from 6 units, plus 180 or more UMS from C3 and C4 combined. This can be 90 and 90, 88 and 92, even 80 and 100. There is no requirement to get above 90 in both. If you're right about what you've got then you should be fine.
I thought you needed 540/600 UMS for an A* in maths ?
9. (Original post by Danllo)
I thought you needed 540/600 UMS for an A* in maths ?
That is not true.

You could get 200 out of 300 at AS, 100 in your second applied unit, 80 in C3 and 100 in C4 and that would give you an A*, for example.
10. (Original post by exclamationmark)
Do examiners allow marks for errors carried forward across parts of a question?
http://www.thestudentroom.co.uk/show....php?t=1657186

I agree with JohnnytheFox comment
11. (Original post by Questioner1234)
Would 70/75 in C3 and 67/75 C4 be a sure A* do you think?
Think it'll be close. 70/75 will probably be ~93 UMS. Depends entirely on where the A* boundary for C4 lies.
12. can anyone remember the question for 6a?
13. POLL http://www.thestudentroom.co.uk/show....php?t=4184271
14. (Original post by Questioner1234)
Would 65/75 C4 and 68/75 C3 be an A*. Trying to find worst case scenario ?????
Thanks

Posted from TSR Mobile

Posted from TSR Mobile
Well last year it was 65 for an A* in C3 and I doubt the boundaries would fluctuate any more than 3 marks and in which case you'd still get 90 ums, but for c4 you needed 67 last year so you're likely to get around 87/88 ums for getting 65 so lets say boundaries stay around the same as last year then you might scrape in...
15. Has anyone got the paper
16. I think I got every single mark apart from Q2 parts b) and c). Like HOW THE F*** did i mess up the trapezium rule?!?! What were the answers and how many marks was each part?
17. ombtom hey i saw you put up the marks for each question a few pages back, but I cant find it now, could you post it again please, thanks
18. How many marks was 6C and 6D worth. Will I get error carried forward for accidentally taking out a factor of 2 and getting lambda = 16?
19. (Original post by boyyo)
ombtom hey i saw you put up the marks for each question a few pages back, but I cant find it now, could you post it again please, thanks
I'm not sure if this is completely correct.

1a) 6
2a) 1 b) 3 c) 5
3a) 5 b) 4
4a) 4 b) 3
5a) 4 b) 2
6a) 6 b) 5 c) 5
7a) 2 b) 1 c) 4
8a) 1 b) 2 c) 2 d) 3 e) 2 f) 5
20. (Original post by akiwicat)
How many marks was 6C and 6D worth. Will I get error carried forward for accidentally taking out a factor of 2 and getting lambda = 16?
I did the same, I can't see us losing more than two marks due to follow through

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