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# Edexcel A2 C4 Mathematics June 2015 - Official Thread watch

1. Did anyone get 27/32 for the gradient with parametric?
2. For the question where you had to find the years if the population is 4000. What if you left your answer as degrees? So 27 years or something like that...?
3. (Original post by joe1545)
I got a squared ln 2 function in my answer, so I think i ****ed that one up
I had a 32(ln2)^2 in there
4. (Original post by joe1545)
Thats my A* ****ed hopefully get the one method mark for doing the dividing correctly.
Can you remember what the second part of the question was?
Get Cartesian equation in format x^2+ax+b/x-3
And a is 2 b is -5
5. VOTE NOW ON HOW YOU FOUND THIS EXAM!!
Note: C4 JUNE 2015 UK paper ONLY!
6. What time will Arseys marksxheme be up?
7. (Original post by target21859)
Did anyone get 27/32 for the gradient with parametric?
Yep.
8. (Original post by target21859)
Did anyone get 27/32 for the gradient with parametric?
Yeah
9. (Original post by target21859)
Did anyone get 27/32 for the gradient with parametric?
I think I got 11/16
10. (Original post by bobo19966)
Get Cartesian equation in format x^2+ax+b/x-3
And a is 2 b is -5
Aww, yup I done that bit correctly.
11. (Original post by JaySP)
God. There is hope yet if so.
I know! I'm not sure if it's right... but maybe we've picked up a few method marks? I hope so
12. (Original post by target21859)
Did anyone get 27/32 for the gradient with parametric?
Yeah!
13. (Original post by target21859)
Did anyone get 27/32 for the gradient with parametric?
Yeah I did!
14. (Original post by target21859)
Did anyone get 27/32 for the gradient with parametric?
Indeed
15. (Original post by pinkcrystal)
YES!!!
Wrong
16. Went from A* in C3 to probs a B/C in C4... nice one
17. (Original post by talkbiology)
Lol same just glad I wasn't the only one.
I eventually concluded that there was a mistake in the paper and moved on, it's not exactly unheard of haha. Only a 3-marker though
Haha yeah thanksfully, I thought you had to find another value using cast, but anyway, hopefully we'll get a method mark as compensation.
18. Did anyone get coodirinates of (24/5 , 16/5) and (-24/5 , -16/5)
19. (Original post by RR97)
I think I got 11/16
I got that too I think, pretty sure that was right..
20. (Original post by DoctorDren)
That last question was a bit of an annoyance. Got 13pi/ln3. Other than that paper was standard. What did others think?
I got the same
it was harder than usual in my opinion, the Cartesian equation from the parametrics was tricky, and on the DE question for part c) I didn't realise it was in thousands so couldn't do it! Question 8 was certainly tricky. Comparing my answers with people on here, so far so good, which is a massive relief because on C4 I never know if I've got things right or not!

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