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

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NO I just realised I didn't sub in x=0 and t=0 on q 8)a) :unimpressed:
Had 20 mins left at the end too!!!! ARGHH
How many marks do you think I lost for that??
Original post by Oraeng
only just had a chance to look at tsr for the unofficial mark scheme and it seems to be down... do you know when it will be up or are there any others out there??


You can check my model solutions
Core 4 2015-min-2-2.pdf593.1KB
Original post by HenryC0302
You can check my model solutions


Much better thank you! I seem to agree with everything there (except 8a which I 100% got wrong) - great model solutions.
Original post by Oraeng
NO I just realised I didn't sub in x=0 and t=0 on q 8)a) :unimpressed:
Had 20 mins left at the end too!!!! ARGHH
How many marks do you think I lost for that??


0.
****. For the vectors where you find c I subbed in -4 instead of 4 as lambda... I did everything correctly and the method for the next part was also 100% correct ... I just applied a negative sign to the 4 and therefore got a completely different c coordinate which was (-9,-2,18) ... Will I just lose accuracy marks and will I gain follow up marks for method on the next part? :frown:(
How much ums would 55 on C3 and C4 get and 67 marks on Stats get me
Original post by Oraeng
NO I just realised I didn't sub in x=0 and t=0 on q 8)a) :unimpressed:
Had 20 mins left at the end too!!!! ARGHH
How many marks do you think I lost for that??


I had a look at the June 14 paper and it says there is 1 mark for finding c and 1 mark for the correct final answer so fingers crossed only 2 marks lost
Original post by HenryC0302
You can check my model solutions


Hi! Love the work, I'm confident on everything except the formulation of a differential equation and the final trig question (not the parametric one).

Your +C in your differential equation solution, was that meant to be +1?
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CD223
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Original post by MoHoosen9167
Hi! Love the work, I'm confident on everything except the formulation of a differential equation and the final trig question (not the parametric one).

Your +C in your differential equation solution, was that meant to be +1?


It was :smile:


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Reply 2389
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CD223
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Sorry about the mark scene guys - it mucked up. After my physics exam on Thursday I'll rewrite it in latex. For now, an older version has been restored.


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Original post by CD223
Sorry about the mark scene guys - it mucked up. After my physics exam on Thursday I'll rewrite it in latex. For now, an older version has been restored.


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So do you think youll get the A* you need in Maths then? Im really worried ive missed it :frown: so upset you dont even know! :/
Reply 2391
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CD223
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Original post by HennersPD
So do you think youll get the A* you need in Maths then? Im really worried ive missed it :frown: so upset you dont even know! :/


Erm, I think I got around 73/74 in Core 3 and 64/65 in Core 4. If that's enough for an A* overall is another matter :/

Don't be upset! Focus on today and your other exams! You haven't seen the boundaries yet!!


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Original post by CD223
Erm, I think I got around 73/74 in Core 3 and 64/65 in Core 4. If that's enough for an A* overall is another matter :/by

Don't be upset! Focus on today and your other exams! You haven't seen the boundaries yet!!


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Thats true thanks man, appreciate your support :smile:
Reply 2393
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Original post by HennersPD
Thats true thanks man, appreciate your support :smile:


No problem. Come results day all this complaining could have been for noting haha.


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I think I got 70/75 in C3 and 69/75 in C4, do you reckon that's an A*?
Reply 2395
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Original post by MoHoosen9167
I think I got 70/75 in C3 and 69/75 in C4, do you reckon that's an A*?


Easily! What about 73 in Core 3 and 65 in Core 4?


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Original post by CD223
No problem. Come results day all this complaining could have been for noting haha.


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I hope so :smile:
Just got 65 in both.can't be more annoyed.


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Original post by Boop.
I had a look at the June 14 paper and it says there is 1 mark for finding c and 1 mark for the correct final answer so fingers crossed only 2 marks lost


phew that's a relief :smile:
Reply 2399
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Original post by Renewhj
Just got 65 in both.can't be more annoyed.


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What are you aiming for? That could be enough for an A*?


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