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# Edexcel A2 C4 Mathematics June 2016 - Official Thread watch

1. (Original post by eftio.gea)
my maths teacher told me that you have to get 90 ums in both c3 and c4 to get an a* (along with 480 ums total)
What I've said above is 100% correct, and 90/90 is a case of that. There is no requirement to get above 90 in both modules, as long as you get 180 or more in total. If you're not convinced - my results are below:
Spoiler:
Show
my C3 grade was 100 and C4 was 84, and I was awarded an A* with this combination.
3. (Original post by particlestudent)
Which international paper?
The 2016 one.
Attached below. (hopefully)
Attached Images
4. 1606 IAL C34 June 2016.pdf (347.9 KB, 209 views)
5. (Original post by ChanceFighter)
The 2016 one.
Attached below. (hopefully)
Thanks!
6. (Original post by ChanceFighter)
The 2016 one.
Attached below. (hopefully)
Is there are mark scheme yet?
7. I dont understand how this happens , can anyone help ?
Attached Images

8. (Original post by particlestudent)
Is there are mark scheme yet?
I have some model solutions for the C4 questions only, done by my teacher if you want to check the final answer and a possible way of solving.

Marccs Might be of some help.
Attached Images
9. 4806_001.pdf (257.4 KB, 109 views)
10. Hey, does anyone have a compiled list of formulas / proofs (that aren't in the formula booklet) that we need to know for the exam. Much appreciated.
11. (Original post by ChanceFighter)
I have some model solutions for the C4 questions only, done by my teacher if you want to check the final answer and a possible way of solving.
Thanks, will do this tomorrow morning before leaving . I'll get 6 hours sleep, I'm sure that's enough
12. (Original post by Marccs)
I dont understand how this happens , can anyone help ?
20ln(h) is the same as 10(2ln(h)). 2ln(h) is ln(h^2) so it's 10ln(h^2). Then combine with the other log with the addition rule.
13. Anyone know if it's likely that the C4 questions from the C34 June 2016 IAL will come up tomorrow or similar?
14. I am NOT ready for this exam but I seriously need to sleep...
15. (Original post by Whizbox)
Anyone know if it's likely that the C4 questions from the C34 June 2016 IAL will come up tomorrow or similar?
Well the C3 questions on the C34 paper were more or less identical to the C3 questions in the normal paper, so it wouldn't hurt to know how to do them.
16. (Original post by Questioner1234)
Where can I find this IAL paper????

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(Original post by ChanceFighter)
The 2016 one.
Attached below. (hopefully)
There ya go.
Attached Images
17. 1606 IAL C34 June 2016.pdf (347.9 KB, 111 views)
18. 4806_001.pdf (257.4 KB, 79 views)
19. For Vectors, how do you find the reflection of a point in a line?

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20. What are the proofs we have to know for c4?
Thank you

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21. 13 1 20 8 42 For the last part of this question : I set up a differential equation in dh/dt and separated the variables to find the value of h at t = 8 and then subbed it into my equation for dh/dt. This gave me the correct answer, but I don't really get how the mark scheme has done it?

Attachment 555803555805
Attached Images

22. Good luck for tomorrow everyone! Hope you are all well rested and prepared
23. what do you get when you take ln of e^5x + e^7 + e^5
24. (Original post by Don Pedro K.)
13 1 20 8 42 For the last part of this question : I set up a differential equation in dh/dt and separated the variables to find the value of h at t = 8 and then subbed it into my equation for dh/dt. This gave me the correct answer, but I don't really get how the mark scheme has done it?

Attachment 555803555805
Well instead of using the value of t they've simply used the value of V at that time which is easily found as the rate of change of volume is constant

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