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AQA A2 Mathematics MPC4 Core 4 - 9th June 2015 [Discussion & unofficial markscheme] watch

1. (Original post by HennersPD)
Which papers are those two questions from? Do you have your solutions for these as id like to compare how we did them
They are pilot papers which are slightly harder than the C3 and C4 exams, someone kindly posted around 4-5 of these papers, think its on page 44!

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2. (Original post by Jimmy20002012)
They are pilot papers which are slightly harder than the C3 and C4 exams, someone kindly posted around 4-5 of these papers, think its on page 44!

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Ah ok thank you! How did you find the Core 3 paper? What mark do you think youve got?
3. (Original post by HennersPD)
Ah ok thank you! How did you find the Core 3 paper? What mark do you think youve got?
Well it was probably the hardest C3 paper they have made. Well according to the unofficial mark scheme got everything till question 8, had like 5 minutes to do that question, could not prove the identity, so probably will lose 10 marks on that question alone. Kinda left part a, and just did part b as quickly as I could just made sec^2 x = 5 and solved that which is wrong. How did it go for you?

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4. (Original post by Jimmy20002012)
Well it was probably the hardest C3 paper they have made. Well according to the unofficial mark scheme got everything till question 8, had like 5 minutes to do that question, could not prove the identity, so probably will lose 10 marks on that question alone. Kinda left part a, and just did part b as quickly as I could just made sec^2 x = 5 and solved that which is wrong. How did it go for you?

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Exactly the same thing I got part way through solving 8a then ran out of time to finish and attempt part b! also got the range of F(x) and the gg(x0 incorrect though hoping for method marks reckon i've got between 62-65/75 just hoping thats 90 UMS as I need an A* in Maths for my firm choice university! what about you? feeling ok about core 4? :/
5. (Original post by HennersPD)
Ive done this one and wondered if you could show me your solution to see if ive got it correct?

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6. (Original post by HennersPD)
Exactly the same thing I got part way through solving 8a then ran out of time to finish and attempt part b! also got the range of F(x) and the gg(x0 incorrect though hoping for method marks reckon i've got between 62-65/75 just hoping thats 90 UMS as I need an A* in Maths for my firm choice university! what about you? feeling ok about core 4? :/
Yeah core 4 will be hard, but if you think about it core 4 has pretty low grade boundaries think last year you needed something like 64 for full ums, we can hope hahaha.

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7. (Original post by Jimmy20002012)
Yeah core 4 will be hard, but if you think about it core 4 has pretty low grade boundaries think last year you needed something like 64 for full ums, we can hope hahaha.

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Yes it was 64 for full ums last year and having done that paper a few times it's not actually too bad got any other exams next week?
8. Thanks man! That's exactly how I did it too
9. Can anyone help me i'm doing a past paper and im stuck on question 5 of jan 2013..I don't understand why you can't use integration by parts?? Any suggestions???
10. Have looked back through the thread and can't find any pilot papers? If anyone could please send me the links it would be much appreciated!
11. (Original post by charlottexheath)
Have looked back through the thread and can't find any pilot papers? If anyone could please send me the links it would be much appreciated!
12. (Original post by HennersPD)
Thanks man! That's exactly how I did it too
Here's the other one:

Sorry about messy workings. I mucked up initially with negatives!!

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13. (Original post by aoxa)
Draw a triangle and use soh cah toa on it. You have values of two of the sides, then use Pythagoras for the other side. The angle can then be worked out.

For pt b, you use the same method, but as it is obese, you have to do 180/pi - answer because using inverse trig to find the angle will only give you the acute angle.

Pt c is using the double angle formula from your other answers.

Which past paper is this??
14. (Original post by HennersPD)
Yes it was 64 for full ums last year and having done that paper a few times it's not actually too bad got any other exams next week?
Yes four, it's gonna drain me. Got core 4, chem 4, physics 4, and mechanics

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15. Swear this is the busiest week of A2 exams so boundaries for everything should be low.

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16. (Original post by CD223)
Swear this is the busiest week of A2 exams so boundaries for everything should be low.

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Very true!

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17. (Original post by ubisoft)
What's the hardest C4 question ever on aqa?
i think the two 13 papers are quite hard and have quite low grade boundaries, you really have to think!
18. Just done the June 2012 C4 Paper...
I actually feel like I have been abused by AQA :'(
19. (Original post by jjsnyder)
Just done the June 2012 C4 Paper...
I actually feel like I have been abused by AQA :'(
Lol, thankfully you weren't born 3 years earlier!

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20. (Original post by CD223)
Lol, thankfully you weren't born 3 years earlier!

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I surprisingly did alright, but oh my under exam conditions I feel so sorry for the people that had to sit that paper :O
It basically screwed everyone over as you can see by the grade boundaries!

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