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# WJEC C3/C4 8th/17th June 2016 Watch

1. Okay, thoughts on today's C4 paper?
2. It wasn't awful...I messed up part a of the trig question, totally messed up the volume question. What did anyone get for t in the differential question?
3. (Original post by StrattonOakmont)
It wasn't awful...I messed up part a of the trig question, totally messed up the volume question. What did anyone get for t in the differential question?
T=10yrs seems to be what most people had. Imo difficult qs were :
Implicit - find coordinates where gradient of tangent = -2
Tan x cubic - i used factor theorem
Diff eqns - just awkward rearranging
Volume of rev - spotting 2sinxcox = sin2x to integrate

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4. What was the variable in te vector line? It was p=10?
5. What did people get for the U substitution?
6. Well i'm not surprised every other exam paper for WJEC has been no different. Nothing but ******** it went ok for me but that was unnecessary your supposed to see if we can do what 1+1 is instead it was basically what is ((52x67)/-1/46) x e^9-K=0 this, this is what university should be teaching us not WJEC you might as well get a job with A levels if that's the case.
7. I really didn't like this paper 😕

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8. (Original post by StrattonOakmont)
What did people get for the U substitution?
I think I got 2.53 recurring 35/something
9. (Original post by Hopefulmedic15)
I think I got 2.53 recurring 35/something
Yes I got that also. 38/15 I think it was. You had to spot the du/sec²x and cos²x cancelled to give the integral (√u)/5 {with limits}

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10. what did everyone get for the partial fractions?
11. Right tbh I feel like it was really similar to the 2012 paper.

Could someone explain how to do the tan factorisation and can we really be bther with gradient -2
12. (Original post by 98matt)
T=10yrs seems to be what most people had. Imo difficult qs were :
Implicit - find coordinates where gradient of tangent = -2
Tan x cubic - i used factor theorem
Diff eqns - just awkward rearranging
Volume of rev - spotting 2sinxcox = sin2x to integrate

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what did you get for the partial fractions??
13. hated the paper, but I hate C4 so that was inevitable. I find it so much more difficult than the rest of the maths A level
14. (Original post by welshgirl000)
what did you get for the partial fractions??
I honestly can't remember sorry - it was nothing too tricky, much like every past paper tbh

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15. Last year you could have dropped 15 marks and got 100UMS. I'm hoping for similar this year, I think the paper was as hard if not more.
16. (Original post by 98matt)
I honestly can't remember sorry - it was nothing too tricky, much like every past paper tbh

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17. (Original post by jwstarfish)
Last year you could have dropped 15 marks and got 100UMS. I'm hoping for similar this year, I think the paper was as hard if not more.
The ums boundaries are probably going to be extremely similar to 2015 ones so getting an A* is actually very manageable
18. (Original post by welshgirl000)
what did everyone get for the partial fractions?
I'm pretty sure B was -3 A was 5 and C was 1.
19. (Original post by jwstarfish)
Last year you could have dropped 15 marks and got 100UMS. I'm hoping for similar this year, I think the paper was as hard if not more.
It will be different this time usually half way 1 mark is 1 UMS and more than half marks would be 2 UMS each mark.
But since people have done so badly half way 1 mark = 2UMS and more than half will probably be 3 UMS per mark. So if you had 30 marks that would give you 90UMS.
20. (Original post by Chemistry Master)
I'm pretty sure B was -3 A was 5 and C was 1.
thankyou i deffo got that wrong then haha, i had 3 and 20 and 10/3

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