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# Maths Ocr 2016 C1

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Why bother with a post grad? Are they even worth it? Have your say! 26-10-2016
1. (Original post by jamaalmoosa)
Any mark-schemes yet?

Look in the thread next time.
2. What was the centre and radius of the circle???
3. 4,3 and sq rt 45 for me
4. (Original post by jamaalmoosa)
Any mark-schemes yet?
5. What did people put for the surd question where you rationalise it
6. does anyone remember what form it asked for line equations in? i think i put them in y=mx+c
7. (Original post by student199919)
Thank you. I was going on the right lines but I simplified -8k - -4k as -12k rather than -4k which is annoying
That may well have been correct as for 5 and 2 to be answer, having the coefficient of K to be +/- 3 (which it would have been if you got -12K then divided by 4) is required.
8. (Original post by emilyp2206)
does anyone remember what form it asked for line equations in? i think i put them in y=mx+c
I don't think it matters as they didn't specify , I did y=mx+c
9. (Original post by Bobby21231)
How many marks do you think I will get for the last question I got 18root27/12 which is equivalent to 27 but will I lose marks for not having it as a whole number? Thanks
probably 7 out of 8? i think considering it's equivalent, you got the right answer so they might give between 7 or 8?
10. the question 3 + root20 all over 3 +root5, wanted the answer in the form a +broot5. instead of putting -1/4 + 3/4 root 5,
i put -1/4 + (3 root 5)/4. how many marks will they give? i think it was out of 4
11. This is a mark scheme and questions with some worked solutions for todays paper.

Thanks to the people who helped me create this:

12. (Original post by student199919)
the question 3 + root20 all over 3 +root5, wanted the answer in the form a +broot5. instead of putting -1/4 + 3/4 root 5,
i put -1/4 + (3 root 5)/4. how many marks will they give? i think it was out of 4
You'll lose 1
13. (Original post by DrKillerX)
Unofficial mark scheme with correct questions and answers-- Originated by Realforce, and credit to all helpers.https://docs.google.com/document/d/1...it?usp=sharing
your mark scheme is for OCR MEI, this thread is OCR only
14. Can anyone help with quadratic substitution question - rushed through it and accidentally put let y=1/2x instead of y=1/4x.
Solved the quadratic to get the values of y as 1/2 and 3 but then because of writing 1/2x i squared them to get 1/4 instead of 81 (I know - massive moment of stupidity!).
Will i get any marks out of 5 for this?
15. (Original post by slothgenius)
100% agree. June 2015 was piss easy in comparison to this years.
but its a cycle, next year people will be saying 'how easy the 2016 paper was why couldnt i have that'
16. How many marks will I lose in q 2 for not putting it over 4?
17. What did people put for
18. how many marks was question 7 about point A and B?
19. What do people think the grade boundaries will be ? Seen as it was a very hard paper
20. (Original post by student199919)
Thank you! i followed all those steps but i got 2 surds as my answers rather than -2 and 5
Hey, at least you will still get some marks for the method

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