Edexcel C1/C2 June 2014
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Fuuuuccccckkk (sorry for swearin) I HAVE JUST REALISED I HAVE DONE THE WRONG TRIANGLE. OMG....
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I believe that it is either 12 or 24 after it starts, I know that our teachers receive the paper at 9am gmt tomorrow
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Here you go!
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Here you go!
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think i got between 60 and 65 marks; i messed up the triangle one but will get some marks for getting co-ordinate of C as (4,6). i messed up on the c= question also. i accidentally got c=3 as i wass not sure what i was doing.
i'm hoping around 60-65 marks will be a low A if not high B. suppose its depending on the grade boundaries and it seems like it was quite an easy paper so the boundaries may be high.
i'm hoping around 60-65 marks will be a low A if not high B. suppose its depending on the grade boundaries and it seems like it was quite an easy paper so the boundaries may be high.
Original post by BrunoRussell
think i got between 60 and 65 marks; i messed up the triangle one but will get some marks for getting co-ordinate of C as (4,6). i messed up on the c= question also. i accidentally got c=3 as i wass not sure what i was doing.
i'm hoping around 60-65 marks will be a low A if not high B. suppose its depending on the grade boundaries and it seems like it was quite an easy paper so the boundaries may be high.
i'm hoping around 60-65 marks will be a low A if not high B. suppose its depending on the grade boundaries and it seems like it was quite an easy paper so the boundaries may be high.
Everything you've done I've done too. How the hell I got three I don't know. I got point C wrong but got point B right. I also didn't have a clue about making my own formula for that arithmetic sequence question UNTIL AFTER THE EXAM WHEN I REALISED IT WAS EASY ;_; although i got the right year. Hoping 60-65 is at least a good B so my c2 can bring it up
(edited 9 years ago)
How many times did the two curves intersect ( how many solutions)
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Yeah c=1 and the year was 2009
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Original post by Erulia
I got c=8??????????????? I just differientated it. Oh no!
I made the same mistake! We should get at least a mark lol
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Original post by PsychoPanda
I got 2?
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Basically you knew y=4x+c so the gradient was 4 (it was a tangent), so dy/dx=4 then u do 4=whatever dy/dx is solve for x, and substitute x in
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Original post by a.ghalib
Hii, I had the c1 exam too....how was your exam I was really confused with the last question. I really had no idea how to find c.
I feel it went really horrible. I also have an exam on Wednesday, Thursday and Friday. Ohhhh I don't feel good.
I feel it went really horrible. I also have an exam on Wednesday, Thursday and Friday. Ohhhh I don't feel good.
I hated that last question, I guess the exam itself went alright, I think I could of done better though. Are you ready for c2?
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Original post by PsychoPanda
Basically you knew y=4x+c so the gradient was 4 (it was a tangent), so dy/dx=4 then u do 4=whatever dy/dx is solve for x, and substitute x in
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I solved dy/dx and did it =4but messed up the rest of the question. How many marks do u think I should get out of 5?
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Original post by lovekitty123
Same I got 2
Probably 2 or 3 marks ( just a guess)
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Original post by PsychoPanda
I hope so!
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Original post by a.ghalib
Hii, I had the c1 exam too....how was your exam I was really confused with the last question. I really had no idea how to find c.
I feel it went really horrible. I also have an exam on Wednesday, Thursday and Friday. Ohhhh I don't feel good.
I feel it went really horrible. I also have an exam on Wednesday, Thursday and Friday. Ohhhh I don't feel good.
For the last question, i looked at it for ages thinking i had to work out what x was from the completing the square. Anyway fortunately it told you what the gradient was at y=4x+c so the gradient was 4 so you just plugged this in as the dy/dx of 2x^2+8x+3
which was 4x +8 and equal it to -1 from (-2,25)
then you find x, and then y and i got y as 1
to find x it's 4x+8 = 4
giving you an giving x = -1
so find y=2(-1)^2+8(-1) + 3, y=2-8+3 so y=-3 so (-1,-3)
and -3=4(-1)+c c=-3+4 c=1
giving y=4x+1
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