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Edexcel GCSE Mathematics A Higher Paper 2016 Unofficial Markscheme

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q19 is worth 6 marks
q24 is worth 3 marks
q25 is worth 4 marks
[QUOTE="thebunnyman;65206097"]
Original post by LogicalFallacy
Hey, if anybody is willing to contribute the answers, and preferably the questions, then I shall set up a mark scheme for you all. Thanks in advance!

Can people please attach question numbers to their answers? Method would be appreciated.

This will be updated as I go along.

Spoiler

can you please explain the last question? any idea for the grade boundaries?


Since it won't let me upload it

http://i.imgur.com/x5AEyEe.jpg

here's the solution to the last question.
Same
Original post by Condav10
q19 is worth 6 marks
q24 is worth 3 marks
q25 is worth 4 marks


q25 is worth 3 IIRC.
Original post by Giovanni_
Yeah, it was 7x10^10

EDIT: ... maybe not



It was 7x10^8
I simplified 100-25pi to 25-5pi would that still be full marks? And for the estimate I got 42,what would that be? Thanks
Please can people add marks that were available for each question if you know them
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Avatar for Lb1009
Lb1009
I think I got 64/100 does anyone knows what grade it would be
Original post by hamza772000
What grade would 88 be? Someone please reply.:redface:


Probably an A* on this paper ?
didn't question 18 ask to put your answer into a mixed fraction
Can someone give me the answer for the vectors? Thankyou
Original post by Oasis61
I simplified 100-25pi to 25-5pi would that still be full marks? And for the estimate I got 42,what would that be? Thanks


You didn't simplify it full though and according to the teacher mark scheme you didn't need to simplify fully anyway so you might get full marks for it and 42 would be a C
Original post by Lb1009
I think I got 64/100 does anyone knows what grade it would be


Depending on the grade boundaries, it could be either a B+ OR A-
its a c lad
Original post by Bernie2016
I square rooted both sides of X^2 = 4(X-3)^2 to get X = 2X - 6 which i then solved to get X = 6, I dont quite get why this isn't allowed but will i at least get part marks as I got 6 which was one of the answers?

Because let's say X was 2, then 4(2-3)^2 would be 4(4-9) which would be 16-36 which would equal -20. But if you simplified it to 2*2-6 then the answer would be 4-6 which would be -2. Hence 4(X-3)^2 is not equal to 2X-6. That is what I think anyway. I may be wrong.
Can somebody make a foundation one please
Original post by HateOCR
Thats an estimate but i would say u need about 80 just incase :smile:


oh my god! brilliant!! thank you so much btw for the grade boundaries!:tongue:
For question 17. did u need to put x= 4.4 and x=-0.4 or would be OK to put just 4.4 , -0.4 ?? ( not put x= )
Since it didnt ask for it in its simplest form, do you guys reckon that 1/4 - root6/12 is fine for the answer to the last question as it is still an exact equivalent to 3-root6/12 ?
Has anyone done a mark scheme and the marks its worth...

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