The Edexcel S1 (18/05/12 - AM) Revision Thread

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. dench_crepz's Avatar
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    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    Also do the schools take the best grade out of S1 and M1 to use for your math grade for AS Level with addition to C! and C"?
  2. Lol_Fish's Avatar
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    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    (Original post by dench_crepz)
    im going to this exam only knowin how to work out Sxx, Syy and Sxy o_O im fcked lool

    oh well good thing i did banging in my mechanics


    Can i retake this in january?
    Next year Jan, you can do a retake :3 I'm sure you'll do swell mate, good luck.
  3. QwertyG's Avatar
    • Benevolent Member
    • Posts: 725
    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    (Original post by Lol_Fish)
    Epic picture dude
    goopy pls
  4. Lol_Fish's Avatar
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    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    (Original post by dench_crepz)
    Also do the schools take the best grade out of S1 and M1 to use for your math grade for AS Level with addition to C! and C"?
    Did you do both M1 and S1?

    I'm pretty sure they take the highest mark of the optional unit, and the highest C1 and highest C2
  5. dench_crepz's Avatar
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    • Posts: 30
    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    looool i'm going to be sitting down for an hour nd a half not knowing what the **** to do , if i can retake it then thats finnnnne


    BTW is this all you need for a full a level maths: c1, c2, c3, c4, s1 nd m1?
  6. jerichi's Avatar
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    • Location: Back in time with Rock 'n' Roll ;)
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    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    (Original post by otrivine)
    Good morning i did not get why y double ? is it always u double cause Shh gets affected by coding?
    Good morning!!

    Haha yeah it's a really random one to explain but what you have to take into consideration is the fact that the question needs you to find Shh and the coding you have id only for one h so you have to multiply it with itself

    h=x/1000 therefore to get hh you have to do (x/1000)*(x/1000)

    Now you should have something that looks like
    hh=(xx/1,000,000)
    [NOTE: The main point of the doubling is the get 1,000,000]

    And after that cause the question wants Shh you do (Sxx/1,000,000) to get 3.535..

    Does it make more sense now?
  7. dench_crepz's Avatar
    • Junior Member
    • Posts: 30
    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    (Original post by Lol_Fish)
    Did you do both M1 and S1?

    I'm pretty sure they take the highest mark of the optional unit, and the highest C1 and highest C2
    yeah i did m1 nd s1 coz i in the top set but i couldnt cope with doing s1 and m1 so i focused my revision on m1 and all my other subjects. my m1 exam went fckin brilliant so im bare confident :P
  8. Lol_Fish's Avatar
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    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    (Original post by dench_crepz)
    looool i'm going to be sitting down for an hour nd a half not knowing what the **** to do , if i can retake it then thats finnnnne


    BTW is this all you need for a full a level maths: c1, c2, c3, c4, s1 nd m1?
    C1 + C2 + | S1
    | M1
    | D1
    = AS

    C3 + C4 | S2
    | M1
    | D1
    = A2

    You can either do M2 if you did m1 last year, or D2 if you done D1 last year
  9. QwertyG's Avatar
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    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    K im going

    Hope coding dont come up

    Goodluck to EVERYONE!!@!@!@@!
  10. Lol_Fish's Avatar
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    • Location: Leicester
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    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    (Original post by dench_crepz)
    yeah i did m1 nd s1 coz i in the top set but i couldnt cope with doing s1 and m1 so i focused my revision on m1 and all my other subjects. my m1 exam went fckin brilliant so im bare confident :P
    Glad to hear mate, I'm sure you'll do fine!
  11. im so fresh's Avatar
    • Benevolent Member
    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    Good morning everyone

    Just wondering with probability
    when it is P(A l B)=P(A N B) / P(B)

    when can we say that P(A N B) is equal to P(A)*P(B) and then cancel out?
  12. Adrianna123's Avatar
    • Full Member
    • Posts: 139
    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    Hate that we have to wait a day after the exam to find out what everyone thought of it and get the solutions :P
    But anyways, GOODLUCK EVERYONE! :') x
  13. Lol_Fish's Avatar
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    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    (Original post by QwertyG)
    K im going

    Hope coding dont come up

    Goodluck to EVERYONE!!@!@!@@!
    Good luck to you, and everyone else!
  14. dench_crepz's Avatar
    • Junior Member
    • Posts: 30
    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    (Original post by Lol_Fish)
    C1 + C2 + | S1
    | M1
    | D1
    = AS

    C3 + C4 | S2
    | M1
    | D1
    = A2

    You can either do M2 if you did m1 last year, or D2 if you done D1 last year
    oh okay, thats calm then thanks bruh
  15. dench_crepz's Avatar
    • Junior Member
    • Posts: 30
    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    Good luck to erry1 sittin this exam (:
  16. Adrianna123's Avatar
    • Full Member
    • Posts: 139
    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    (Original post by im so fresh)
    Good morning everyone

    Just wondering with probability
    when it is P(A l B)=P(A N B) / P(B)

    when can we say that P(A N B) is equal to P(A)*P(B) and then cancel out?
    The first one is always.
    The second one is when they're independent.
  17. wylk's Avatar
    • New Member
    • Posts: 12
    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    good luck! oh god I am so nervous
  18. otrivine's Avatar
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    • Posts: 14,672
    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    (Original post by jerichi)
    Good morning!!

    Haha yeah it's a really random one to explain but what you have to take into consideration is the fact that the question needs you to find Shh and the coding you have id only for one h so you have to multiply it with itself

    h=x/1000 therefore to get hh you have to do (x/1000)*(x/1000)

    Now you should have something that looks like
    hh=(xx/1,000,000)
    [NOTE: The main point of the doubling is the get 1,000,000]

    And after that cause the question wants Shh you do (Sxx/1,000,000) to get 3.535..

    Does it make more sense now?
    so even if u have sxx /syy/sxy you always time by 1000? or depends on question so we alaways double you mean?
  19. jerichi's Avatar
    • Respected Member
    • Location: Back in time with Rock 'n' Roll ;)
    • Posts: 221
    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    (Original post by otrivine)
    so even if u have sxx /syy/sxy you always time by 1000? or depends on question so we alaways double you mean?
    Well it depends on the question so for ones like this one you would have to double it.
  20. 007Shella's Avatar
    • Benevolent Member
    • Location: London
    • Posts: 616
    Re: The Edexcel S1 (18/05/12 - AM) Revision Thread
    GOOD LUCK EVERYONE !

    (imma need a miracle)
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