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

1. Anyone got any good resources for parametric transformations?

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2. When dealing with partial fractions when do you have to divide is it when the denominator has a higher degree of power than the numerator.

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3. Why has this confused me so much? It is only 2 marks, I think I'm overcomplicating it but I just cannot seem to do it. Can anyone help?

Q5 jan 13 !

Nevermind, I managed to work it out hahah I was definitely overcomplicating it.. oh well.
4. Any tips on learning differential equations and exponentials?
5. any idea what 90 ums would be on the core 3 paper we sat? surely it must be lower than last year? :/
6. (Original post by UOE15)
Why has this confused me so much? It is only 2 marks, I think I'm overcomplicating it but I just cannot seem to do it. Can anyone help?

Q5 jan 13 !

Nevermind, I managed to work it out hahah I was definitely overcomplicating it.. oh well.
Did you do it by inspection?

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7. (Original post by HennersPD)
any idea what 90 ums would be on the core 3 paper we sat? surely it must be lower than last year? :/
Chill - it'll be around 64 I reckon.

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8. i just dont get parametric or cartesian equations at all
9. (Original post by CD223)
Did you do it by inspection?

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Yeah I did! Is that how you would have done it?
10. (Original post by UOE15)
Yeah I did! Is that how you would have done it?
Yup! Differential of inner bracket is on the outside - quickest way

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11. Now stuck on Q7, the whole of part B. I just cannot do it!! (jan 13..)
Anyone able to help?
12. (Original post by UOE15)
Now stuck on Q7, the whole of part B. I just cannot do it!! (jan 13..)
Anyone able to help?

Here's bi, I found it really difficult too when I first did it, it's just about rearranging and substitution really. There's probably and easier method but I Hope it helps

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Here's bi, I found it really difficult too when I first did it, it's just about rearranging and substitution really. There's probably and easier method but I Hope it helps

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Thank you!!
14. (Original post by UOE15)
Now stuck on Q7, the whole of part B. I just cannot do it!! (jan 13..)
Anyone able to help?

This is part bii)... I had to look up this one because I was completely baffled by it but this method does make sense, do you understand what I've done?

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15. (Original post by CD223)
Chill - it'll be around 64 I reckon.

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Oh Ok thanks - any advice for getting 100 UMS in core 4 as I'll need this I'm in any position to get that A* i need for uni! Bath are annoying the increased my offer to include an A* in maths due to the high competition for places on my course :/

This is part bii)... I had to look up this one because I was completely baffled by it but this method does make sense, do you understand what I've done?
Yeah I do understand what you've done, it is logical but I just don't think I'd remember how to do it in the exam haha
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17. (Original post by HennersPD)
Oh Ok thanks - any advice for getting 100 UMS in core 4 as I'll need this I'm in any position to get that A* i need for uni! Bath are annoying the increased my offer to include an A* in maths due to the high competition for places on my course :/
Redo all past questions you've got wrong!

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18. (Original post by CD223)
Redo all past questions you've got wrong!

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Ok! Thanks! That question 8a on yesterday's paper wasn't even bad, so annoyed I couldn't finish it :/ what mark do you think you got on the paper?
19. (Original post by HennersPD)
Ok! Thanks! That question 8a on yesterday's paper wasn't even bad, so annoyed I couldn't finish it :/ what mark do you think you got on the paper?
What I wrote on the mark scheme was what I put down in the paper so I'm hoping I got the majority right but probably missed some method marks - 71-72 maybe?

Core 4 will be hard

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20. In June 2014 question 1, do they really accept this for both marks finding the Cartesian question?

There's two solutions there! I don't know why that gets 2 marks?

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