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# OCR C1 Mark Scheme 16/05/12 (NOT MEI)

Maths exam discussion - share revision tips in preparation for GCSE, A Level and other maths exams and discuss how they went afterwards.

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1. OCR C1 Mark Scheme 16/05/12 (NOT MEI)
Last edited by Abed1993; 16-05-2012 at 14:15.
2. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
I hope sooooooooo
3. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
i just dont wanna make dumb mistakes
4. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
(Original post by manu01)
i just dont wanna make dumb mistakes
True..

Don't forget things like

Square root of a number is + -
5. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
Quickly,
How do you solve inequalities like this:

3<3x<12 ?

Exams in less than 2 hours...
6. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
(Original post by garyheehee)
Quickly,
How do you solve inequalities like this:

3<3x<12 ?

Exams in less than 2 hours...
Split it in two, like this

3 < 3x

3x < 12

Then solve each inequality, stick them together again, and there's your solution
7. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
how did everyone find it?! answers?
8. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
i thought it was ok... quite easy really compared with some f the past papers
9. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
(Original post by KoalaKim)
i thought it was ok... quite easy really compared with some f the past papers
how did you find the last question?
10. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
I loved this exam.
11. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
(Original post by KoalaKim)
i thought it was ok... quite easy really compared with some f the past papers
I thought so too.
12. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
I am soo confident that I did well in this exam
13. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
0<x<4 for the maximum length of x for the area question if anyone is wondering
Last edited by billybobs; 16-05-2012 at 12:25.
14. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
100% for sure, thanks a lot for easy paper OCR
15. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
(Original post by billybobs)
0<x<4 for the perimeter question if anyone is wondering
yup
16. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
For the perimeter question I got 17/10<x<51/10
17. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
(Original post by I_am_god_123)
yup
no
18. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
(Original post by As_Dust_Dances_)
For the perimeter question I got 17/10<x<51/10
wrong
19. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
The total perimeter was 10y+3 and it had to be between 20 and 54 right?
so 20<10y+3<54
17<10y<51
1.7<y<5.1
20. Re: OCR C1 (NOT MEI) 16/05/12 Discussion!
(Original post by max25)
no
nah it was -7<x<4
but then x must be +ve

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Last updated: May 16, 2012
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