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# Edexcel GCSE Mathematics A Higher Paper 2016 Unofficial Markscheme

1. (Original post by King.Enn)
80 marks
With the question that said write a suitable question for the crips etc, would this get full marks:

How many times a week do you buy crisps?

0-3 , 4-7, 7-11, >11

Thank You
2. (Original post by 34908seikj)
You'll get 2 marks, stating the units of measurement was pretty important, probably easiest 3 mark question I've ever seen O.o
I know I'm a bloody idiot I didn't foundation so it was near the back this 🙈
3. (Original post by DaveMoishe)
Spoiler:
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No-one seems to remember the mid-point question. I may be wrong, but I thought it was co-ordinates (1,2.5) and (5.7) and the midpoint would therefore be (3, 4.75). May be wrong...

Incorrect.

X = 5+x/2 = 1

5+x = 2

x = -3

Y = 7+y/2 = 2.5

7+y = 5

y = -2

Final coordinates are -3,-2
4. I meant this:

0-3, 4-7, 8-11, >11
5. (Original post by 34908seikj)
Did get get the constant as 100? if not then 0/4

for question 26 1 mark for working out the area of big triangle, 1 mark for small triangle and 1 mark for correct final answer.
Nope, I only realised at the very end (before I could change) anything that k=100 which isn't much use but I wrote the formula for y = k / x2 - idk if that will get me any marks.

I think I got 2/3 marks for the last question.

If what you're saying is true then I am looking at 93 marks!! (Which is pretty decent but I'll be aiming for higher in the calculator)

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6. Can you explain your reasoning, as to where I went wrong. If I have remembered the co-ordinates correctly, then I am correct. Were the co-ordinates not (1,2.5 and 5,7) and we were asked to find the mid-point? In this case, I am correct; so I must have misread the question?

(Original post by 34908seikj)
Incorrect.

X = 5+x/2 = 1

5+x = 2

x = -3

Y = 7+y/2 = 2.5

7+y = 5

y = -2

Final coordinates are -3,-2
7. (Original post by DaveMoishe)
Can you explain your reasoning, as to where I went wrong. If I have remembered the co-ordinates correctly, then I am correct. Were the co-ordinates not (1,2.5 and 5,7) and we were asked to find the mid-point? In this case, I am correct; so I must have misread the question?
Yes you did, the mid point was already provided (1,2.5)
8. (Original post by 34908seikj)
Yes you did, the mid point was already provided (1,2.5)
Ridiculous. Can't believe I was so careless. Thank you.
9. same i hope it was right.
10. Would this get me full marks for the crisps question?

How many times a week do you buy crisps?

0-3, 4-7, 8-11, >11 ?
11. (Original post by SmithAmelia)
Would this get me full marks for the crisps question?

How many times a week do you buy crisps?

0-3, 4-7, 8-11, >11 ?
Yea that'll get full marks.
12. (Original post by 34908seikj)
Yea that'll get full marks.
Thank You
13. Question 4c is actually 2k^6
14. (Original post by NancyMassingham)
Question 4c is actually 2k^6
That's only when the there is a number bigger than an 1 in front of k, for example:

(3k)^2 = 9k^2
15. (Original post by 34908seikj)
Yea that'll get full marks.
No because there is no single option for 0
16. (Original post by NancyMassingham)
Question 4c is actually 2k^6
The question was (k^3)^2 Which can be wrote as (1k^2)^6 which is just k^6
17. (Original post by Rebecca-Joseph)
No because there is no single option for 0
Didn't the question say "never"? I'm not sure though.
18. (Original post by Rebecca-Joseph)
No because there is no single option for 0
It doesn't need to be a single option, as long as there is an option.
19. (Original post by 34908seikj)
It doesn't need to be a single option, as long as there is an option.
There does have to be because if somebody has no bags of crisp then they cannot put it in an option that says 0-3 because you won't know if they are having none or not
20. (Original post by Rebecca-Joseph)
There does have to be because if somebody has no bags of crisp then they cannot put it in an option that says 0-3 because you won't know if they are having none or not
You don't need exact values, just a range of values because a questionnaire is used to gather a consensus of whatever the topic is.

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