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OCR C3 (not MEI) Official Thread - Tuesday 21st June 2016

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Farewell, possible hopes of an A* :frown: ****ed up badly, and I think the paper was quite fair, so reasonably high boundaries imo :frown:
Farewell, possible hopes of an A* :frown:****ed up badly, and I think the paper was quite fair, so reasonably high boundaries imo :frown:
[QUOTE
Reply 83
did anyone else run out of time?
I didn't actually think that the questions themselves were that hard it was just time management i found so difficult!
1) y=12x+15

2)
(I)
(ii) 3/16(4x+1)^4/3

a=6 b=5

F(x) great than 3a
G(x) all real values of x

9
(ii) 4+2root2
(iii) 32sin

Some answers
(edited 7 years ago)
Original post by AlistairMcDonald
Farewell, possible hopes of an A* :frown:****ed up badly, and I think the paper was quite fair, so reasonably high boundaries imo :frown:


Although I didn't think it was that bad, I was pretty much the only person in my school with that opinion...

I doubt high boundaries
Made some silly mistakes, Paper was quite standard, the graphical section threw me a bit and couldn't get the last two marks. How did everyone else find it? Probably pretty standard boundaries I'd imagine.
Reply 87
Thought the paper was okay but ran out of time on Q9 - they asked more of us time wise this year as opposed to ability I think.
Reply 88
Grade boundary wise it'll be the usual 55-58 for an A.
Reply 89
wasent there a ln in the question 2 part i
Agree with all, except G(x) is all real values of Y, not values of x.



Area under graph was 2.5 I think, for the possible trig values in question 4 (I think) I got 1/13 and 3/4.
Original post by alig348
wasent there a ln in the question 2 part i


Yes


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Original post by Parallex
Agree with all, except G(x) is all real values of Y, not values of x.



Area under graph was 2.5 I think, for the possible trig values in question 4 (I think) I got 1/13 and 3/4.


Yeah I agree with those trig values, and 2.5 was the area I got.
Is anyone creating an unofficial mark scheme?
Original post by Miracle-
1) y=12x+15

2)
(I)
(ii) 3/16(4x+1)^4/3

a=6 b=5

F(x) great than 3a
G(x) all real values of x

9
(ii) 4+2root2
(iii) 32sin

Some answers


I basically got all those except from 2 i

How did you integrate it?
What was X when gf(X)=31a?
Original post by clarafitzgerald
What was X when gf(X)=31a?


1.5a or -2.5a?
Original post by clarafitzgerald
What was X when gf(X)=31a?
I got 3a/2 and -5a/2
I found the last question was very hard.
Original post by daniellon
I got 3a/2 and -5a/2


I got this.

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