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# Edexcel A2 C4 Mathematics June 2015 - Official Thread watch

1. (Original post by josephinemar25)
65 c3 70 c4
Any chance of an A *?? 😅
Would definitely be an A* I think.

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2. So many silly mistakes :,(.
For Q2) I only have one coordinate

Q3) I used 2ln4 even though I got a) as 4ln2. Plus I didn't simplify e^ln4. (Technically same answer)

7c) I did what Arsey did for c. but I didn't convert 4k to 4.

8b) This one kills me... My limit was 2-1/ln3 and NOT 2 for the volume of R. I did everything else.

How many marks would I lose for these?
3. 64 C3 and 66 C4 enough for an A*?
4. (Original post by Pyslocke)
So many silly mistakes :,(.
For Q2) I only have one coordinate

Q3) I used 2ln4 even though I got a) as 4ln2. Plus I didn't simplify e^ln4. (Technically same answer)

7c) I did what Arsey did for c. but I didn't convert 4k to 4.

8b) This one kills me... My limit was 2-1/ln3 and NOT 2 for the volume of R. I did everything else.

How many marks would I lose for these?
These are my guesses
Q2) 1-2 marks
Q3) 1 mark
Q7) do you mean you wrote P = 4000? probably 2 marks
Q8) 2-3 marks (not too sure on that one)

edit: apologies my sequential tendencies made me put the wrong question numbers first..
5. Why are people posting their marks like it's the 13th of August? You can'r mark your own paper, examiners do! So will you please sit the funk down.
6. Can someone please confirm how likely it is I've got an A overall?

I got around or just over 60/75 on M1 and C3 this year and around 50/75 for C4. My scores from last year being 80 UMS, 90 UMS and 93 UMS.
7. (Original post by Pyslocke)
So many silly mistakes :,(.
For Q2) I only have one coordinate

Q3) I used 2ln4 even though I got a) as 4ln2. Plus I didn't simplify e^ln4. (Technically same answer)

7c) I did what Arsey did for c. but I didn't convert 4k to 4.

8b) This one kills me... My limit was 2-1/ln3 and NOT 2 for the volume of R. I did everything else.

How many marks would I lose for these?
Did the same on 8b... Hopefully we'll still get some method marks
8. C4 Edexcel Maths Paper with SOLUTION - 16 June 2015.pdf
C4 Edexcel Maths Paper with SOLUTION - 16 June 2015.pdf
C4 Edexcel Maths Paper with SOLUTION - 16 June 2015.pdf

http://www93.zippyshare.com/d/sxvc4j...une%202015.pdf

http://www93.zippyshare.com/v/sxvc4j9n/file.html
9. How many marks would I lose if I somehow during Q8a put x= (2ln2-1)/ln3 instead of (2ln3-1)/ln3 ( stupid I know) and I used that incorrect answer to calculate the question 8b but I still applied the correct method for both part a and b?

Would I lose all 10 marks? ((((
10. (Original post by Linhtuanvu)
How many marks would I lose if I somehow during Q8a put x= (2ln2-1)/ln3 instead of (2ln3-1)/ln3 ( stupid I know) and I used that incorrect answer to calculate the question 8b but I still applied the correct method for both part a and b?

Would I lose all 10 marks? ((((
No way.....probably you will lose 3 marks...max
11. How many marks do i lose for Q 8b) if i integrate correctly but use the wrong boundaries and the area of my cone is also correct?
12. (Original post by 13 1 20 8 42)
These are my guesses
Q2) 1-2 marks
Q3) 1 mark
Q7) do you mean you wrote P = 4000? probably 2 marks
Q8) 2-3 marks (not too sure on that one)

edit: apologies my sequential tendencies made me put the wrong question numbers first..
Thanks for that, I will assume I lost max marks for the questions you considered to lessen my disappointment should it come. lol
13. (Original post by AStarMaths)
How many marks do i lose for Q 8b) if i integrate correctly but use the wrong boundaries and the area of my cone is also correct?
2 perhaps
14. (Original post by NikolaT)
Can someone please confirm how likely it is I've got an A overall?

I got around or just over 60/75 on M1 and C3 this year and around 50/75 for C4. My scores from last year being 80 UMS, 90 UMS and 93 UMS.
With those marks you would get an A
Only thing that makes me hesitant in saying that is M1 but I feel the A boundary should be around 60
15. (Original post by cmfunk)
Guys :
100ums in C1, C2,
97 in S1
approx 85 in c3
40 in c4

Is an A possible
Yh you just need 60 ums in your next module (480 being ums for A in total).
16. how many carry through marks will you get? if you get the wrong answer in the first part but the right method for the rest?
17. 71/75 in C3 and 64/75 in C4, is it possible to get an A*?

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Yh you just need 60 ums in your next module (480 being ums for A in total).
The other module was D1 think I got around 55/75

Dude do you know if it is possible to swap around maths modules. I did AS further maths last year. wondering whether I could swap my d1 from a2 maths and s2 from AS FM around?
19. What will the likely grade boundaries be for c4?
20. (Original post by cmfunk)
The other module was D1 think I got around 55/75

Dude do you know if it is possible to swap around maths modules. I did AS further maths last year. wondering whether I could swap my d1 from a2 maths and s2 from AS FM around?
They do that automatically to get you your best grade in Maths and Further Maths.

Within reason of course; C3 and C4 MUST be for maths. FP modules MUST be for further maths. The AS applied maths module must be M1/S1/D1.

Other than that, you're essentially going to get the maximum grade possible.

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