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# UNOFFICIAL MARKSCHEME Edexcel Maths Calculator paper 09/06/2016 watch

1. What did everyone get for Collins car? I got £42.40 but I'm not sure about it
2. Stratified sampling was 11 students as far as I remember?
3. I got 80.1 please is that right??????????? Omdays 6 marks please
4. (Original post by Fez_Shabbir)
who done foundation ?
i did foundation
5. (Original post by CaSweeney)
I got 3.7

The question asked you to work out the closest value that 'x' could be (to1 decimal place) if ("x cubed" - (5 multiplied by 'x' = 34

If you sub 3.7 into that equation you will get an answer of 32.153
If you sub 3.8 into that equation you will get an answer of 35.872

To then work out which is closest you had to work out the difference between each answer and 34.

For 3.7:
34 - 32.153 = 1.847

For 3.8:
35.872 - 34 = 1.872

Seeing as 1.847 is a smaller number than 1.872, it means that 3.7 is the closest value of 'x' to 1 decimal place
Its 3.8....personally

You have a choice between 3.7 3.75 and 3.8

34 falls between the 3.75 and 3.8 boundary so it round up to 3.8.

Check past papers and mark schemes this is how edexcel has always done it
6. Im sure they say round upwards so i went to 3.8 from 3.75
7. (Original post by laylarocker)
For the quadratic formula who got -0.20 and 3.20?

Yep
8. (Original post by ellamoon_22)
No its like saying 6-2 is the same as 2-6. They are different so u dont cancdl out
no that is right. In your answer you would get 4 and -4 which both cancel out into 1 and -1
9. Am I the only one who found it awful?
10. (Original post by casweeney)
i got 3.7

the question asked you to work out the closest value that 'x' could be (to1 decimal place) if ("x cubed" - (5 multiplied by 'x' = 34

if you sub 3.7 into that equation you will get an answer of 32.153
if you sub 3.8 into that equation you will get an answer of 35.872

to then work out which is closest you had to work out the difference between each answer and 34.

For 3.7:
34 - 32.153 = 1.847

for 3.8:
35.872 - 34 = 1.872

seeing as 1.847 is a smaller number than 1.872, it means that 3.7 is the closest value of 'x' to 1 decimal place
exactly what i done
11. (Original post by Gamer_44)
Might be wrong, however, I think it may have been the small packet as the unit cost was something like 0.22222 whereas the others were higher?
yes that's correct that's what I got

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12. (Original post by ronin.k)
if i get around 100 marks out of 200, what grade would that be?
13. (Original post by CaSweeney)
I got 3.7

The question asked you to work out the closest value that 'x' could be (to1 decimal place) if ("x cubed" - (5 multiplied by 'x' = 34

If you sub 3.7 into that equation you will get an answer of 32.153
If you sub 3.8 into that equation you will get an answer of 35.872

To then work out which is closest you had to work out the difference between each answer and 34.

For 3.7:
34 - 32.153 = 1.847

For 3.8:
35.872 - 34 = 1.872

Seeing as 1.847 is a smaller number than 1.872, it means that 3.7 is the closest value of 'x' to 1 decimal place
Yeah I did exactly the same thing!!
14. yes it is, you just have to factorise it, (3-x)(-3x-4)
15. (Original post by katodizzle)
Am I the only one who found it awful?
I don't think so. I'm sure there are people that found it didn't go well. What grade are you predicted ? I just really want to get an A overall.

⚔🛡⚔~Nothing happens to anyone that he is not fitted by nature to bear - Maximus Decimus Meridius~⚔🛡⚔
16. (Original post by ronin.k)
if i get around 100 marks out of 200, what grade would that be?
You would get a B
17. (Original post by Arisole)
For the ratio question I got 4:3 as the simplest form of 720:540, then 480 to change the ratio to 3:2
YESS!!! I was literally panicking through that question, even though it was simple ratio and proportion
18. (Original post by Purpleunicorn197)
Reps are not necessary but would be appreciated
1. Order numbers correctly and include a key
b) 0.45
2a. 30abc
b.
c. x^2-3x
3.Green- 0.09 Red 0.36
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21. 144 degrees
22. F.d- 1.6, 3.2, 2.4, 1.8, 0.3
23. -1/3x+4
24. 2x/(x+1)(x-1)
25. 80.4
For question 23 and 24 i put
23. 1/3x+4 not -1 will i get any marks?
24. 2x/ X^2 -1 it was out of 3. realistically i got the right answer but i multiplied out the brackets, will i lose 1 or 2 marks on that out of 3?
19. (Original post by bigmanlikemeee)
x³-5x= 3.8 is wrong or nAH
Correct 3.8 for that trial and improvement one
20. I got different to everyone for the quadratic formula... did anyone get -2.29 and 0. something ????

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