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# [Official Thread] OCR MEI AS Mathematics 2016 (C1, C2 & S1)

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1. 0,180,360,14.5,165.5
2. Thanks

(Original post by Mr Moon Man)
There's one a few pages back
3. (Original post by Akhawais)
Honestly can't remember. If it was <= 360 then there would be 5 values, but I'm pretty sure it was < 360
it was <= 360, I triple checked because I thought you could only get 4 solutions but I got 5
4. Hi did anyone think that paper was much harder than normal past papers i left 15 marks BLANK ran out of time . it went horrible for me
5. (Original post by rehmanator)
Hi did anyone think that paper was much harder than normal past papers i left 15 marks BLANK ran out of time . it went horrible for me
yes it was a hard paper, the GB will be low i think. can anyone guess what theyll be for an A?
6. (Original post by Akhawais)
Honestly can't remember. If it was <= 360 then there would be 5 values, but I'm pretty sure it was < 360
it was <= 360 so 360 is a value.
7. (Original post by Grindle97)
I got exactly the same as that
I got 0.66 and 0.193... How accurate do you think they'll mark it?
8. (Original post by tom476zf)
swear its only 2 values? because if i did it right i got 4sinx - 1 = 0

so isn't it just sin^-1 25

or is there another step i missed? x
Sinx(4sinx-1)=0
Sinx= 0 so that is 0,180,360
4sinx=1
X= 14.something
180-14.something = 165.something
9. I forgot to put 180 as a value (Stupid me -_-) But got the other 4 right, would I only lose a mark? And I also did the working out for the f(5+h) question right but in the end I used the operations wrong, how many marks would I lose?

Overall I found it easy, I just made some silly mistakes. Probably lost like 6-8 marks altogether.
10. Also if anyone was wondering, I got 0.6 as my log a and 0.21 as my gradient. In the end I got y = 3.891 x 10^0.21t
11. I got the angle of the triangle as 58 point something degrees...
Almost finished unofficial mark scheme
13. I was looking at that question just before the end of the exam and i was like 'i feel like its missing something' 😂😭 oh well, only lost 1 mark

(Original post by NickC98)
Oh my god i forgot the +c again...
14. On the last question with the graph how did you do a line of best fit... I ended up with a curve:/
15. (Original post by Chloebbbb)
On the last question with the graph how did you do a line of best fit... I ended up with a curve:/
A preferable line of best fit is where you would have an equal amount of points that weren't lined through on each side. I had 3 points on each side that were unlined which made it appropriate for me to use as my line of best fit.
16. (Original post by Studious_Student)
A preferable line of best fit is where you would have an equal amount of points that weren't lined through on each side. I had 3 points on each side that were unlined which made it appropriate for me to use as my line of best fit.
Urrgh how many marks do you think I would have lost? I got all the points right and plotted it correctly just stupidly did a curve
17. For the first question, is it 3x^-½ or -3x^-½??
18. And the last one is 260 instead of 261 right?
19. (Original post by lilrabbits)
For the first question, is it 3x^-½ or -3x^-½??
3x^-1/2

6rootx
6x^1/2
3x^-1/2

20. (Original post by lilrabbits)
For the first question, is it 3x^-½ or -3x^-½??
It was the positive one

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