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# OCR MEI AS Mathematics Core 1 13/05/2013 watch

1. What did people get for that question (16a^12)^4/3 ?
I got really stuck on that one. I think I ended up with 8a^9 or something :/
2. (Original post by Davelittle)
i remember having to use completing the square to get the answer wasn't it (x-3)^2+(y-2)^2=20?
Ogod I failed. Well thanks for replying! I think I did okay on the other questions, fingers crossed!
3. the paper isn't difficult except there is few tricky question like the very last one finding the k. but it still pain in the as*
4. (Original post by Jojo_555)
What did people get for that question (16a^12)^4/3 ?
I got really stuck on that one. I think I ended up with 8a^9 or something :/
It's 8a9 although I think I put 2a9 for some random reason

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A 59
B 53
C 46
D 39
E 33
6. (Original post by Jojo_555)
What did people get for that question (16a^12)^4/3 ?
I got really stuck on that one. I think I ended up with 8a^9 or something :/
I got that too! But then I put or 2^1.5 and a^9 so do I get marked down because I put two answers?
7. (Original post by krishkmistry)
It's 8a9 although I think I put 2a9 for some random reason

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I got 2*(2^1/2)*a^9

Also wasn't it (16a^12)^3/4 ?

(Original post by hayjohn30)

A 59
B 53
C 46
D 39
E 33
how did you work this out?
8. What did people get for the intersections I think qs 2
9. (Original post by TheNote)
I got 2*(2^1/2)*a^9
It's deffo 8a9 becuse 16 3/4 =8 and 12 *3/4 is 9!

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10. That completing the square one....did anyone get 3x^2(x-2)^2 - 7 ?
11. (Original post by hayjohn30)

A 59
B 53
C 46
D 39
E 33
How did you find that out so fast? Those are high I hope I get a C atleast. Good luck everybody! Now we have our other maths exams to look forward too... D: I'm doing C2 and S1.
12. How did everyone find it? I messed up in the very last question
13. (Original post by Jojo_555)
That completing the square one....did anyone get 3x^2(x-2)^2 - 7 ?
Yep

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14. (Original post by Jojo_555)
That completing the square one....did anyone get 3x^2(x-2)^2 - 7 ?
Do you mean 3(x-2)^2 -7? Because that's what I got
15. (Original post by TheNote)
I got 2*(2^1/2)*a^9

Also wasn't it (16a^12)^3/4 ?

how did you work this out?
Looking at previous papers with similar questions got a similar section a and b june 11 had a similar section b
16. This paper was SO much easier than Jan 2013! I think I scored on every question except the very last tangent one, I hadn't a clue what to do so I thought I'd get a few marks for showing b^2 - 4ac = 0 for a tangent and showing me using the quadratic formula. How many marks can you afford to lose if you want 100UMS? MEI doesn't really say. Seriously hoping I've done well in this exam because it takes tons of pressure off the C2 exam on Friday.

I'm glad I finished early because when I went back I found 4/5 silly mistakes like drawing the line y = 2x + 3 on the exam paper rather than the insert, forgetting - signs and stupid things like that!
How did everyone find it? I messed up in the very last question
Weirdly I really liked the last question, it was the simple ones I failed at aha.
18. I actually think it will be 55/56 for an A because section A was tricky and hence harder than jan paper overall and section B was tricky on the first and last question

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19. (Original post by krishkmistry)
Yep

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Lol, thanks
I think Ive done alright-ish now ^^ except the last question about k, and I reckon I got my estimated co-ordinates wrong too :/ what did you get for those?
How did everyone find it? I messed up in the very last question
I did okay I think, the last question was hard, I did alright up till part (iii) which was annoying.

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Updated: October 25, 2013
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