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# May 25th Edexcel Core 2 Questions and answers. [Unofficial mark scheme]

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2. (Original post by X_IDE_sidf)
http://www.thestudentroom.co.uk/atta...1&d=1464204940 <-- NEW PDF. This is V2 and has been layed out in a more stylish manner and has Q 9c corrected

Edit: to satisfy my ocd, the real scanned paper will be hitting shelves soon.
3. (Original post by HannahC-H)
http://docdro.id/xPyA5Yl

edit: DERP, forgot to change Q 8. =0 not -1
4. For question 7 would you lose a mark for not putting +c on the integral?
5. TY
6. (Original post by bulletman54)
For question 7 would you lose a mark for not putting +c on the integral?
I think so, the question didn't specify limits in (a) so without + c you are technically incorrect.
7. (Original post by X_IDE_sidf)
I think so, the question didn't specify limits in (a) so without + c you are technically incorrect.
What was the exact wording of the question ?
8. (Original post by bulletman54)
What was the exact wording of the question ?
find
9. If I got x = ~17 and didn't sub back into P, how many marks do you reckon I'll lose?
10. (Original post by bulletman54)
What was the exact wording of the question ?
Usually the mark scheme says (+c) in brackets as in previous years, so I don't think you'd lose a mark
11. (Original post by bulletman54)
For question 7 would you lose a mark for not putting +c on the integral?
In previous years its in brackets and not required
12. (Original post by medapplicant2016)
If I got x = ~17 and didn't sub back into P, how many marks do you reckon I'll lose?
2 i think cause u made a rounding error and never subbed for the min value
13. (Original post by medapplicant2016)
In previous years its in brackets and not required
Could you link me the markscheme for a question like this from a previous year?
14. (Original post by medapplicant2016)
In previous years its in brackets and not required
source
15. (Original post by X_IDE_sidf)
http://docdro.id/xPyA5Yl

edit: DERP, forgot to change Q 8. =0 not -1
Wasn't 6i

and not

16. For the perimeter question, if I substituted x=17, how many marks can I expect to lose ?
17. (Original post by UKoE Luna)
Wasn't 6i

and not

we are on to V4 now http://docdro.id/18BTG2C

Thanks
18. (Original post by X_IDE_sidf)
6 solve for and

6 i) (3 marks) or
ii) (6 marks) or
Is question 6 written out correctly? I get or

EDIT: Seen that there have been amendments since then. Shouldn't 8i) be ?
19. (Original post by X_IDE_sidf)
source
(Original post by bulletman54)
Could you link me the markscheme for a question like this from a previous year?
http://qualifications.pearson.com/co...c_20150812.pdf

See question 6
20. (Original post by bulletman54)
2 i think cause u made a rounding error and never subbed for the min value
That's what I thought, I did get 16.something though, and did work out f"(x) > 0, which usually gives you 2 marks (you don't need to sub)

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