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AQA A2 Mathematics MPC4 Core 4 - 9th June 2015 [Discussion & unofficial markscheme] Watch

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    (Original post by CD223)
    Where can I access these papers?


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    https://drive.google.com/open?id=0B1...YW8&authuser=0
    There you go!
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    Just wondering, is there one of these forums for C3 and S2?

    Also just a quick revision method question, do you guys find that you revise only one subject at a time? For example spend a few days on maths then something else or do you timetable different subjects into the day?
    Im asking because I have a lot of revision to do for my other subjects which I have neglected but I fear that I may end up putting maths off till theres only a few days before the exam.

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    Brilliant - thank you!


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    (Original post by Waz96)
    Just wondering, is there one of these forums for C3 and S2?

    Also just a quick revision method question, do you guys find that you revise only one subject at a time? For example spend a few days on maths then something else or do you timetable different subjects into the day?
    Im asking because I have a lot of revision to do for my other subjects which I have neglected but I fear that I may end up putting maths off till theres only a few days before the exam.

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    Here's the link to the core 3 thread:
    http://www.thestudentroom.co.uk/show....php?t=3041463

    I'm not sure about S2. I've only set up C3, C4 and M2 as those are my only units. Sorry!

    I tend to revise multiple subjects per day. Little and often helps a lot. It's not how long per day you revise that makes it effective, it's how often you revisit it in my mind. Just my opinion though



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    (Original post by CD223)
    Here's the link to the core 3 thread:
    http://www.thestudentroom.co.uk/show....php?t=3041463

    I'm not sure about S2. I've only set up C3, C4 and M2 as those are my only units. Sorry!

    I tend to revise multiple subjects per day. Little and often helps a lot. It's not how long per day you revise that makes it effective, it's how often you revisit it in my mind. Just my opinion though



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    I swear there is no C2 thread made by anyone, I've been searching for many years
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    (Original post by CD223)
    Here's the link to the core 3 thread:
    http://www.thestudentroom.co.uk/show....php?t=3041463

    I'm not sure about S2. I've only set up C3, C4 and M2 as those are my only units. Sorry!

    I tend to revise multiple subjects per day. Little and often helps a lot. It's not how long per day you revise that makes it effective, it's how often you revisit it in my mind. Just my opinion though



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    Thanks for that.
    I might give your method a try but i still have a lot of chemistry to get through...... 😨

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    (Original post by Waz96)
    Thanks for that.
    I might give your method a try but i still have a lot of chemistry to get through...... 😨

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    Ah no! What subjects do you do -maths, chemistry..?


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    (Original post by CD223)
    Ah no! What subjects do you do -maths, chemistry..?


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    Maths
    Chemistry
    Business

    Until now I have just spent my time outside of lessons on maths. Business isnt too hard to graspe but I honestly cant remember much Chemistry so atm im trying to teach it all to myself again quickly.

    What about you?

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    (Original post by Waz96)
    Maths
    Chemistry
    Business

    Until now I have just spent my time outside of lessons on maths. Business isnt too hard to graspe but I honestly cant remember much Chemistry so atm im trying to teach it all to myself again quickly.

    What about you?

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    Oh nice! I do Maths, Physics, Computing and History. It's going okay, just a lot to still remember haha.


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    Hi Guys, have you used http://www.examsolutions.net/maths-r...cification.php
    I find him super helpful.
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    (Original post by CD223)
    Oh nice! I do Maths, Physics, Computing and History. It's going okay, just a lot to still remember haha.


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    Gotta rate you for doing 4 at A2, good luck!

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    (Original post by Waz96)
    Gotta rate you for doing 4 at A2, good luck!

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    Was a stupid choice though as I only need 3 As for uni! I guess it gives me flexibility which subject I aim for that in though...

    Thank you, I appreciate it! Good luck to you too


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    Does anyone know if we get marked down for being out by like 0.001 on the trig solutions with an obvious correct solution? Because sometimes you lose accuracy when you find say cos(2x-10)=0.4 to 3sf because when you divide your values by two you can get slightly different values to the MS.
    Is that ok or should we always do it to a higher sf in calculation? (Sorry for the poor explanation!)

    Also does anyone use the CGP C4 book...? If so chapter 2, part 4 on the factor formulas, is that actually in our spec? Because I have never seen it on a paper!
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    (Original post by jjsnyder)
    Does anyone know if we get marked down for being out by like 0.001 on the trig solutions with an obvious correct solution? Because sometimes you lose accuracy when you find say cos(2x-10)=0.4 to 3sf because when you divide your values by two you can get slightly different values to the MS.
    Is that ok or should we always do it to a higher sf in calculation? (Sorry for the poor explanation!)

    Also does anyone use the CGP C4 book...? If so chapter 2, part 4 on the factor formulas, is that actually in our spec? Because I have never seen it on a paper!
    I have that book. those formulae are on the formula book but I don't think we need to know how to use them..
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    (Original post by jjsnyder)
    Does anyone know if we get marked down for being out by like 0.001 on the trig solutions with an obvious correct solution? Because sometimes you lose accuracy when you find say cos(2x-10)=0.4 to 3sf because when you divide your values by two you can get slightly different values to the MS.
    Is that ok or should we always do it to a higher sf in calculation? (Sorry for the poor explanation!)

    Also does anyone use the CGP C4 book...? If so chapter 2, part 4 on the factor formulas, is that actually in our spec? Because I have never seen it on a paper!
    Would you mind posting a picture of what is said on that page? I wasn't aware of a topic called "factor formulas"

    Also, with reference to significant figures, you should always give them to more than the MS requires before rounding your final answer.


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    That's the first page and then an example. Have seen the formulas in the formula booklet but have never seen anything like the example on any past papers!


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    (Original post by jjsnyder)
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    That's the first page and then an example. Have seen the formulas in the formula booklet but have never seen anything like the example on any past papers!


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    Okay that has well and truly freaked me out. I wasn't aware of those. I'll ask my maths teacher on Monday!


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    (Original post by CD223)
    Okay that has well and truly freaked me out. I wasn't aware of those. I'll ask my maths teacher on Monday!


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    I know it freaked me out... But I've never seen it on any papers so was wondering if it was new :/ The book is new, but it is the AQA C4 book so should be reliable!

    Can you tell me what your teacher says when you ask him?


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    (Original post by jjsnyder)
    I know it freaked me out... But I've never seen it on any papers so was wondering if it was new :/ The book is new, but it is the AQA C4 book so should be reliable!

    Can you tell me what your teacher says when you ask him?


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    Yeah I'll quote you when I ask him on Monday


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    Struggling with part cii, I have found vector BP, and used distance formula, and on gained a quadratic in mu, and found mu to 5/3 and 1/3 but not sure why you have to do vector of PB to get correct answer I though it did not matter which way round it was. ???

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