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# AQA A Level Maths Core 2 - 25th May 2016 [Exam Discussion] watch

1. I defo failed core 2... wth was that ****
2. MOST RECENT FULL UNOFFICIAL MARK SCHEME HERE
http://www.thestudentroom.co.uk/show...7#post65154277
3. It's out of 75
5. (Original post by goofyygoober)
Integration, find the value of a (it was -2 I believe)

A - 61
B - 56
C - 51

Was easier than last year but not the easiest paper there's been.
7. What has been 100ums on the past c2 papers does anyone know?
8. Anyone remember the original question about the strecth in axis one????
9. (Original post by Loukia98)
What did you find for the value of k? Does anyone remember?
I got 5 somehow but I'm not sure how or if it's right lol
10. (Original post by goofyygoober)
What is the original function for x?
Is it (x^2+9)^1/2 or (x^2+1)^1/2?
(X^2 +9)^1/2 was the original and was transformed into 3(x^2 + 1)^1/2
11. 1b is -2 mate
(Original post by BenAtkinson)
UN-OFFICIAL MARK SCHEME.
Of what I can remember..

1. b) a=2
2. b) x=-0.861
c) reflection in y-axis
3. a) 3x^-1/2 - 1
b) y=6
c) y + 2x = 13
d) k = 5.5
4. b) d = -2, a = 28
c) Sum to 21 - sum to 3. Can't remember exact.
5. b) area = 19.9
c) perimeter = 13.8 (something like that)
6. a) 65.6
b) i) translation (0,5)
ii) stretch in X-direction 1/3 sf
7. b) -1648
8. b) can't remember! Tan(X) = 1 and tan(X) =-5/4
c) lowest = 2, when theta = pi
9. a) c^(m/2 +6n)
b) X = 5/2

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12. here is the full markscheme

http://www.thestudentroom.co.uk/show...7#post65154777
13. (Original post by salome12)
(X^2 +9)^1/2 was the original and was transformed into 3(x^2 + 1)^1/2
then stretch in x-direction by sf 1/3 is correct
14. (Original post by Parhomus)
11/2
Yep i got the same but some found k=5. Thank you
15. I got K = -5.5 because the line needed to shift rightwards
16. i counted 49/68 for the unofficial mark scheme it didnt include the 7 marks to get it to 75?
17. Made a poll for the AQA Core 2 Exam (FOR AQA ONLY):

http://www.thestudentroom.co.uk/show....php?t=4117603
I got K = -5.5 because the line needed to shift rightwards
True right?
19. (Original post by Alexcor)
True right?
Yeah!
20. How do you do question 8 b) 😊

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