Edexcel A-level Mathematics Paper 1 [6th June 2023] Unofficial Markscheme

Hi everyone,

Below is the unofficial markscheme created by some of our users. This is a resource to help any user who would like to get a better idea of how they might have done. Thanks to @Nicholson1882 for organising and our wonderful community for contributing! See below

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Reply 1

Evil Homer

TSR Community Staff

It's important to note that this is in no way the actual mark scheme and there is no way to validate these answers. This answers were put together by a small group of students and could be inaccurate. Please use caution when look at these.

Reply 2

Evil Homer

TSR Community Staff

Please feel free to use this thread to discuss and debate the answers if you feel they may be inaccurate. Best of luck with all of your revision.

Reply 3

Evil Homer

TSR Community Staff

https://drive.google.com/file/d/1gTO0qcWruk4pMP4vzHNPl04pgfMS78yv/view

(edited 2 years ago)

Reply 4

Z_GAMER

thx!

Reply 5

mathsstudent222

Original post

by Evil Homer

https://drive.google.com/file/d/1gTO0qcWruk4pMP4vzHNPl04pgfMS78yv/view

100% for me
What a paper.

Reply 6

Muttley79

Original post

by mathsstudent222

100% for me
What a paper.

You cannot possibly know that - the official markscheme isn't even online for teachers yet

Reply 7

tomato123g

I think the roller coaster Q was out of 7

Reply 8

amy0123

77 for me i reckon - hope the grade boundaries aren't to harsh but i'm not getting my hopes up

Reply 9

mathsstudent222

Original post

by Muttley79

You cannot possibly know that - the official markscheme isn't even online for teachers yet

I guess you are correct!

Reply 10

Bookworm524

Question 8 doesn't look right. It gives part b) k=2/3 or 20, but as the series is converging, k would have to be less than 1, therefore is 2/3 not 20

Reply 11

mathsstudent222

Original post

by Bookworm524

Question 8 doesn't look right. It gives part b) k=2/3 or 20, but as the series is converging, k would have to be less than 1, therefore is 2/3 not 20

You misunderstand.
k is not the "Common Ratio"
When k=20 is put into the formula for r you get something between -1 and 1
For k=2/3, mod r was greater than 1

Reply 12

vkayy

Original post

by Bookworm524

Question 8 doesn't look right. It gives part b) k=2/3 or 20, but as the series is converging, k would have to be less than 1, therefore is 2/3 not 20

as the series is converging, |r| < 1, and k = 20 is the value that satisfies this when you calculate r

Reply 13

vkayy

Original post

by Evil Homer

https://drive.google.com/file/d/1gTO0qcWruk4pMP4vzHNPl04pgfMS78yv/view

in question 9b, do they not typically require to specify the domain of the function?

Reply 14

username6042973

guys I think I got around mid 50 marks, do you think this could be an A

Reply 15

larissaberry

Original post

by Bookworm524

Question 8 doesn't look right. It gives part b) k=2/3 or 20, but as the series is converging, k would have to be less than 1, therefore is 2/3 not 20

i made that mistake then realised about 10 mins before exam ended and i fixed it thankfully. k=20 gives an r<1

Reply 16

Josh085673

Anyone know how to get to the stage answer only one that’s bothering me beacuse i can’t do it?

Reply 17

Nicholson1882

Original post

by Josh085673

Anyone know how to get to the stage answer only one that’s bothering me beacuse i can’t do it?

area of circle with radian formula
then triangels with 1/2 ab sin c

Reply 18

Loztta

Original post

by vkayy

in question 9b, do they not typically require to specify the domain of the function?

Yeah a domain is needed but I dont think it’s even 3

Reply 19

vkayy

Original post

by Loztta

Yeah a domain is needed but I dont think it’s even 3

yea, unless they gave one mark for algebraic manipulation and one mark for the domain

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