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# Edexcel C4 June 2016 - Unofficial Markscheme Watch

1. (Original post by ImNervous)

On Q3 I forgot the minus 2 and got an answer of 6/22+π instead of 8/22+π. This lead to my next part being wrong also. Bow many marks do you think I'll loose. All of them? Thanks

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Omg, I did the same thing. I thought I screwed up the whole question. Please tell me I'm not losing all my marks for that stupid mistake
2. I tried 3b after getting 3a wrong should I still get error carried forward marks?
3. (Original post by Waffles15)
literally the same as me ahah..except i did have time to find the E coordinates...just did it wrong
reckon we've got 64/65 maybe you got a bit extra for trying to find E's,

May have lost the A* chance with that now, i reckon i got 70 in c3 so probs not quite enough i don't think
4. (Original post by Anon-)
How did you guys do 7b)? where you have to find the volume of revolution
so you had to find the volume of the cylinder then subtract the volume of the integral of 17/2 to 1/2
what was q6b?
5. (Original post by ImNervous)

On Q3 I forgot the minus 2 and got an answer of 6/22+π instead of 8/22+π. This lead to my next part being wrong also. Bow many marks do you think I'll loose. All of them? Thanks

Posted from TSR Mobile

Posted from TSR Mobile
hope not, thats exactly what i did..where did the minus 2 come from?
6. (Original post by ProfessorNick)
I tried 3b after getting 3a wrong should I still get error carried forward marks?
So did I! I imagine we'll get method marks but lose the accuracy marks
7. I'm working on a worked solutions mark scheme if anyone is interested.
8. hi does anybody know the marks for the final two parts of question 8?
9. (Original post by izzyrut)
Anyone know how many marks 2b was worth? (Trapezium rule)

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3 marks i think
10. (Original post by dr-jekyll)
i don't remember getting the Q4 part a answer. But I did get 633 for b. Does this mean I must have gotten part a right as well? Like was b dependent on a? Because I may or may not have gotten it right, just don't remember.
You needed a to get part b so you must have done.
11. What did the question ask in 8c where k=2?
12. (Original post by Mattematics)
You needed a to get part b so you must have done.
Oh thank God.

Also, thank you
13. (Original post by lm4058)
What did the question ask in 8c where k=2?
Length of AP.
14. Was Q 8c) meant to be finding cos(theta)? I found theta instead as 36ish. I did one line of working which was "cos(theta) = some horrible surd" then just wrote theta on the next line, will I still get full marks without simplifying cos(theta)?
15. (Original post by lm4058)
What did the question ask in 8c where k=2?
distance AP
16. How many marks was 3b worth?
17. How many marks for each part of Q7? I thought there were only 2 parts?
18. HOW MANY MARKS WILL I LOSE FOR THE TIME QUESTION WHERE I SAID X = 40 instead of 20??
19. (Original post by MathsAndChess)
I'm working on a worked solutions mark scheme if anyone is interested.
20. For 6)b for how many marks would i lose if i simplified it even further using which would then get me

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