Edexcel A2 C3 Mathematics 12th June 2015 Watch

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frozo123
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#2901
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#2901
(Original post by Valkyrian)
I made 1 stupid mistake and now my whole future is in tatters.
I can't believe one line I had 2x and the next it's suddenly 2x^2. It means i've lost 8 or more marks as I could't do 7b) because of it...
I estimate I've got around 62 marks, but I needed 100ums and every single paper including june 2013 I've been getting 73-75 marks.
After a poor physics exam yesterday, I know that everything is ruined and I won't be going to Birmingham or even Cardiff now . (After getting pretty much 100% in all maths exams last year)
What course are you doing?
dude it's fine, I'm sure a lot of people won't meet their offer and will still get in
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anonwinner
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#2902
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#2902
(Original post by RR97)
What's the actual point though? Have you finished all your A2s and have nothing else to do?
It's called banter m8, if you had friends in real life you would know about it
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Jemy
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#2903
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#2903
(Original post by Freddy-Francis)
Start a new poll after they see the unofficial markscheme and see the difference ^^
Yeah I think many people who thought it was 'easy' or 'okay' will come out of their delusion. The was clearly not impossible, but it was above standard and to be honest far more tricky than June 2013. The issue is on one side I agree that in principle papers should be more tricky in order to prevent exam factories, but on the other hand they should have waited for the next specification in order to clean up.
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thatwentsowrong
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#2904
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#2904
you know on the vectors question did you guys get a value of 3.94 or something?
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Emmi12345
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#2905
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#2905
(Original post by jf1994)
It's not, because the mod graph touches the x-axis i.e. y CAN equal 0.

By that logic, y=-1, -2, -3, -4 etc should also be asymptotes since the graph never touches them
Oh, ok! Very true, thanks for pointing that out
That wasn't quite my logic... it doesn't necessarily mean that y=-1, -2, -3, -4 etc should also be asymptotes because y= -5 was an asymptote for the first graph but that doesn't mean y=-6, -7, -8, -9 etc are asymptotes too...
But I do clearly see why it's wrong. Thanks!
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pepperonipizza
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#2906
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#2906
(Original post by anonwinner)
What did everyone get for question 10 part a? I nearly missed the entire question because it was on the last page so I only had 5 mins to do it!
Dont worry guys on the front it def said 9 questions
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smellybeard
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#2907
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#2907
*NEWS FLASH*
The reason people on here think "the general consensus" is the paper was the hardest ever, etc etc, and the reason that silly straw poll is filled up with "very hard" votes, is because the people who do badly on maths are the ones who spend their time moaning on the internet, making Hitler videos, starting petitions, and generally crying about how badly they did.
The people who did well will be geting on with revising C4... maybe take a leaf out of their books?
Unfortunately the way qualifications work is that some people do well,others not so much. If you're the latter, I'm sorry for you, but moaning about it won't change that nor will "predicting" incredibly optimistic grade boundaries. GET A GRIP PEOPLE!
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Anshul6974
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#2908
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#2908
(Original post by anonwinner)
I got 2 as well, but I think it was 4. Because you shouldn't just divide by cosx, you're supposed to factorise so there would be cosx=0 aswell which would give another 2 results
That's only applicable when you have something like cos^2x-cosx=0, dividing by zero you loose the values for cosx=0, for that question it was fine to divide by cosx because you don't loose any values, so only two solutions.
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SciGuy123
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#2909
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#2909
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1
DesignPredator
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#2910
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#2910
Personally I found the exam relatively straightforward, but it's only because I knew my stuff inside out.

Compared to normal past papers the difficulty was slightly, just slightly harder than usual.

So I say:
66 A*
60 A
54 B
48 C
2
sansasstark
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#2911
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#2911
(Original post by anonwinner)
What did everyone get for question 10 part a? I nearly missed the entire question because it was on the last page so I only had 5 mins to do it!
lol stop
0
RR97
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#2912
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#2912
(Original post by anonwinner)
It's called banter m8, if you had friends in real life you would know about it
It's called trolling and being a nuisance.
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dandroff
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#2913
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#2913
(Original post by bored565)
I think the difficulty of this paper is being overblown a bit. As I was going through it I definitely thought there were lots of opportunities to make small, minor mistakes, but so long as you knew what you were being asked to do (eg for finding the range question - just giving the max and min y values on that graph) it was actually ok. Not easy, but ok.

Even on things like that trig prof question the maths wasn't actually too difficult - all you needed to do was use the double angle formulae, sin^2 A + cos^2 A = 1 and then factorise.

So I'd say grade boundaries will be fairly standard. Probably around 67-68 for 90.
yes but it is different when you look at it now compared to in the exam. question after question. with a question 9 aswell ??? I am normally quite good at trig proofs but that one i couldn't do.
0
Freddy-Francis
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#2914
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#2914
Question 2. How did u solve the mod equation

I didnt revise solving mods ffs
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dominicwild
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#2915
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#2915
(Original post by dandroff)
whts that mean ? so i dont lose the marks ?
That means if you've tried to answer the question twice, for example you write 7a) Try to do it, fail. Then do 7a) again without crossing out the previous 7a), they'll mark both of these. And carry only the attempt that got the best mark.
0
9899thft
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#2916
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#2916
(Original post by pepperonipizza)
Dont worry guys on the front it def said 9 questions
Thanks, I got so stressed out thinking it was 10
Randomz96
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#2917
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#2917
Guys was 1b meant to have a +- in front of it ? It felt wrong but that's what I got
0
at55555555
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#2918
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#2918
(Original post by thatwentsowrong)
you know on the vectors question did you guys get a value of 3.94 or something?
damn im guna right that joke down and save it for later its so funny
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Jankie
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#2919
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#2919
(Original post by thatwentsowrong)
you know on the vectors question did you guys get a value of 3.94 or something?
Not sure which paper you were doing
0
dandroff
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#2920
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#2920
(Original post by TazzyBoo)
Everyone's saying y=5 for the asymptote, but shouldn't it be y=4 seeing that it was 2e^x so you had to stretch by a factor of 2 in the y direction first?
i think its y=5 ?? because asmyptotes for e^x is y=0. so ..
0 x 2 = 0
0 + 5 = 5?
0
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