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Edexcel AS Mathematics C2- 25th May 2016 Thread

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1. (Original post by not_lucas1)
3x-5y-95=0 I got this and i think it's correct, seen quite a few people post it
yes thank you i didnt read the Q right i think ur answer is right
2. (Original post by alvarolopez)
Was the remainder 5, or did you have to divide 5 by f(x) since it is a remainder?
The remainder was 5
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4. What did everyone get for the logs question the second part?
5. I got -1/4 but didn't that get a negative angle or something, I struggled with that a bit.
6. People are saying they got 120 for the perimeter.. Was it not 17?
7. (Original post by Vlad Murzakov)
People are saying they got 120 for the perimeter.. Was it not 17?
I've heard people saying that got 17 for some value of x, not sure if the perimeter though.
8. (Original post by Vlad Murzakov)
People are saying they got 120 for the perimeter.. Was it not 17?
To see if our x values were similar, when you had to do d^2y/dx^2, did you get 0.4 ish?
9. (Original post by SirHotWings)
I got -1/4 but didn't that get a negative angle or something, I struggled with that a bit.
Ikr ! I got -1/4 inverse sign that i get a negative angle. Confused on that , but ill get marks for the working out.

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10. (Original post by Think People)
Ikr ! I got -1/4 inverse sign that i get a negative angle. Confused on that , but ill get marks for the working out.

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I think what you have to do is, if you used a CAST diagram then you go backwards in a sense I believe.
11. I got k as -7/2 when it is 7/2. Is this zero marks?
12. (Original post by Mackiemcmasher)
I got k as -7/2 when it is 7/2. Is this zero marks?
I can't remember how many marks that question was worth, you'll lose accuracy if there was any but the method marks are yours I believe.
13. perimiter 120, x was 17
14. (Original post by SirHotWings)
I can't remember how many marks that question was worth, you'll lose accuracy if there was any but the method marks are yours I believe.
It was 2 marks so I probably got one then.
15. (Original post by ollyhermann)
perimiter 120, x was 17
I think I got 16.something, then I subbed it back into the P formula to get the minimum value of P, that sound about right?
http://www.thestudentroom.co.uk/show....php?t=4117033
17. (Original post by Mackiemcmasher)
It was 2 marks so I probably got one then.
Alright then, you did better than me then as I couldn't figure out k lol, with the time I had left I couldn't figure out what I had to do.
18. -2.1 or something
19. (Original post by not_lucas1)
3x-5y-95=0 I got this and i think it's correct, seen quite a few people post it
Quite sure it's 3x+5y-95 not 3x-5y
20. (Original post by SirHotWings)
Alright then, you did better than me then as I couldn't figure out k lol, with the time I had left I couldn't figure out what I had to do.
Yeah I left till the end as well, it wasn't easy, only problem is the fact there was a question depending on the answer of k so I lost another two marks so in total 3 marks by accidentally writing a minus sign.

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