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Arsey's C2 Edexcel S14 'Model' Answers C2 (R) Model now added

I would have put these on sooner, didn't realise the rules had changed

I'm really surprised at some of the comments regarding the difficulty of this paper. It was slightly harder than standard but not the beast I was expecting, more like an angry Koala bear
Previous boundaries



Session 100' 90' 80' 70' 60' 50' 40'
Jun-13 75 68.5 62 55 48 41 35
Jan-13 75 69.5 64 57 50 44 38
Jun-12 75 69.0 63 55 47 39 32
Jan-12 75 68.0 61 54 48 42 36
Jun-11 75 68.5 62 54 46 38 30
Jan-11 75 70.0 65 57 50 43 36
Jun-10 75 68.5 62 54 46 38 30
Jan-10 68 61.0 54 47 40 33 27
Jun-09 69 61.0 53 45 38 31 24
Jan-09 75 66.0 57 48 39 30 22
Jun-08 75 69.0 63 54 45 36 27
Jan-08 75 68.5 62 53 45 37 29
Jun-07 75 67.0 59 50 42 34 26
Jan-07 75 68.5 62 53 44 35 27
Jun-06 75 71.0 67 59 51 43 36
Jan-06 75 69.5 64 56 48 40 33
Jun-05 75 67.5 60 52 44 36 28
Jan-05 75 68.5 62 54 46 38 31






Session100'90'80'70'60'50'40'
Jun-137568.56255484135
Jan-137569.56457504438
Jun-127569.06355473932
Jan-127568.06154484236
Jun-117568.56254463830
Jan-117570.06557504336
Jun-107568.56254463830
Jan-106861.05447403327
Jun-096961.05345383124
Jan-097566.05748393022
Jun-087569.06354453627
Jan-087568.56253453729
Jun-077567.05950423426
Jan-077568.56253443527
Jun-067571.06759514336
Jan-067569.56456484033
Jun-057567.56052443628
Jan-057568.56254463831






Session100'90'80'70'60'50'40'
Jun-137568.56255484135
Jan-137569.56457504438
Jun-127569.06355473932
Jan-127568.06154484236
Jun-117568.56254463830
Jan-117570.06557504336
Jun-107568.56254463830
Jan-106861.05447403327
Jun-096961.05345383124
Jan-097566.05748393022
Jun-087569.06354453627
Jan-087568.56253453729
Jun-077567.05950423426
Jan-077568.56253443527
Jun-067571.06759514336
Jan-067569.56456484033
Jun-057567.56052443628
Jan-057568.56254463831


boundaries are going to be even more difficult to predict this year because of the recent changes, no Jan exam, different International paper etc... so any guessed boundaries need to be taken with a large pinch of salt.

The last time C2 has a below 60 boundary for an A in a summer series was June-09! That said, I think this was a tad harder than June 13. Therefore, my GUESS would be the same boundaries as Jan-12

Don't worry about the numerical methods graphical methods... they are saying they will not award marks to students who have used a trial and error method on their calculator or used a graphics calc to find points of intersection... they are not saying they will not award marks to people who have used a cosine graph to find additional solutions...


EDIT - I have now added model answers to the C2 (R) paper.... now this was the beast I was expecting. Be thankful for whoever decided that this was the R paper and not the UK paper...
(edited 9 years ago)
S14 C2 Model red.pdf685.2KB
S14 C2 (R) Model Answers.pdf835.9KB

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Original post by Arsey
I would have put these on sooner, didn't realise the rules had changed

Thanks for posting Arsey.
Thank you :smile:

Posted from TSR Mobile
Thanks Arsey!

Would I lose any marks for including a fourth term in part 3b) ?
Would you agree with me 61-64 A 75/75 100UMS. 74 being the absolute lowest for 100UMS
74/75 again, maybe 73 as I didn't switch the sign on the logs question and got n=43 :frown:
Reply 6
Avatar for Navo D.
Navo D.
2
:colone: 75/75 provided we didn't have to show the actual value of the second derivative
Thank you so much!

Edit: 75/75 :smile:
(edited 9 years ago)
Thanks but...

:frown: thought I did better :frown:
Question 5, you got the area of a 3,4,5 triangle to be 6.2478 lol? 1/2(4)(3) = 6 cm^2
Thank you so much for this!
Reply 11
Avatar for safiaa56
safiaa56
So happy with this paper, thanks Arsey, you're always reliant and fast.
Reply 12
Avatar for hemmie
hemmie
Original post by Arsey
I would have put these on sooner, didn't realise the rules had changed

I'm really surprised at some of the comments regarding the difficulty of this paper. It was slightly harder than standard but not the beast I was expecting, more like an angry Koala bear


Haha thank you!! :biggrin:
Reply 13
Avatar for paulinep
paulinep
What do you think the grade boundaries will be, Arsey? And thank you
Original post by Arsey
I would have put these on sooner, didn't realise the rules had changed

I'm really surprised at some of the comments regarding the difficulty of this paper. It was slightly harder than standard but not the beast I was expecting, more like an angry Koala bear


predict the grade boundary for an A!

do itttttttttt
Can you please explain what it meant by 'solutions based on graphical solutions or numerical methods are not acceptable'? This confused the living guts out of everyone! In my school we had been taught the graph method.
OH MY GOD the sheer stupidity of my mistakes is beyond comprehension. FFS I LOST 16 MARKS for stupid tiny mistakes oh gosh. Hopefully it will be 59 marks for an A or something....
Reply 17
Avatar for Navo D.
Navo D.
2
Original post by christeemow12
Question 5, you got the area of a 3,4,5 triangle to be 6.2478 lol? 1/2(4)(3) = 6 cm^2


It wasn't a 3-4-5 triangle
Original post by Arsey
I would have put these on sooner, didn't realise the rules had changed

I'm really surprised at some of the comments regarding the difficulty of this paper. It was slightly harder than standard but not the beast I was expecting, more like an angry Koala bear

Just a note for your final line on the paper you wrote maximum whete you meant minimum :smile:


Posted from TSR Mobile
Reply 19
Avatar for safiaa56
safiaa56
Original post by christeemow12
Question 5, you got the area of a 3,4,5 triangle to be 6.2478 lol? 1/2(4)(3) = 6 cm^2


If you look carefully and perhaps read it, you'll see that it wasn't a 3, 4, 5 triangle.

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