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Aqa MPC2 16 May 2012

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    (Original post by mattmattmatt)
    Yes but you substitute x for the stretch, not x^2, therefore i think it had to be root10, so that when squared it you got 10.
    i think the answer was 1/root10, but i put 1/10 ... 3 marks perhaps/4??
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    (Original post by ryanboi)
    I got Stretch X-direction s.f 1/10
    i got this!
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    (Original post by mattmattmatt)
    Yes but you substitute x for the stretch, not x^2, therefore i think it had to be root10, so that when squared it you got 10.
    ahh sounds right. Damn it
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    (Original post by Briz)
    i got this!
    apparently is wrong. apparently is 1/root10
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    grrrrrrr ive lost another mark i put 1/10 as the scale factor. Will i get any marks for working out x=1/3 like 2 maybe? and you know for the y=7^x one..... I made the equations equal each other but i didnt do anything else, got stuck, will i maybe get 1 mark for it?
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    Very very very tricky paper! Yesterday, I actually did all of the past papers that AQA had released, and that easily outstripped most of them

    The answers I can remember that I got...

    tan question was +/- root3 and -1

    I think the sector/kite/shaded area question was 222units^2?

    I got 1/root10 for the scale factor

    because stretching in x direction means x/scale factor x/1/root10 = root10x as you have to square that, (root10x)^2 = 10x^2 I'm reasonably happy about that

    the gradient I got log10 (1000/729)

    if anyone has any other questions I'll endeavor to answer them

    Two things to take away:

    1) If AQA are setting all of their exams to this standard, I have got a ****e week ahead of me

    2) Hopefully, since everyone I've talked to has said it was a tricky paper, we'll get generous grade boundaries
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    (Original post by kitkat19)
    grrrrrrr ive lost another mark i put 1/10 as the scale factor. Will i get any marks for working out x=1/3 like 2 maybe? and you know for the y=7^x one..... I made the equations equal each other but i didnt do anything else, got stuck, will i maybe get 1 mark for it?

    I think there's going to be a lot of marks for working out on this paper.
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    (Original post by Aqib7)
    I missed the area question of the triangle. i did some of it and was meant to go back to it at the end but ended up doing the trigonometry one.
    If C2 was like this i am dreading FP1 on friday.
    me too its gonna be horrific!
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    You mirked that paper....ive always got in the 95% for every AQA paper ever....and the real one is the one tht ive deffo lost 10 marks on....unless i get a couple of method ones im gonna get 65/75 , my record breaking low

    (buggsuper i mean...youve done well!)
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    (Original post by kitkat19)
    You mirked that paper....ive always got in the 95% for every AQA paper ever....and the real one is the one tht ive deffo lost 10 marks on....unless i get a couple of method ones im gonna get 65/75 , my record breaking low

    (buggsuper i mean...youve done well!)
    Thank you! I appreciate it, it was a pretty panicky moment getting to question 5 and suddenly realising it was going to be quite a tough time!
    I wouldn't worry about dropping marks like that - you can still get 100% of the UMS even if you drop a fair few raw marks, and I reckon they'll be generous
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    (Original post by bugsuper)
    Thank you! I appreciate it, it was a pretty panicky moment getting to question 5 and suddenly realising it was going to be quite a tough time!
    I wouldn't worry about dropping marks like that - you can still get 100% of the UMS even if you drop a fair few raw marks, and I reckon they'll be generous
    Im just praying for 90ums....wanted 98 but now hoping for 90 is a more realistic target. If boundaries are high i cheked i would get around 86 so hopefully thats my worse case scenario....im just trying to make myself feel better, its seriously not working
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    What do you think 60 raw marks will be in UMS?
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    (Original post by Gary)
    What do you think 60 raw marks will be in UMS?
    80 probably because AQA are sly and probably won;t drop boundaries but realistically it shuld be no less than 84 UMS
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    It was dreadful. Absolutely dreadful.
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    (Original post by Gary)
    What do you think 60 raw marks will be in UMS?

    (Original post by kitkat19)

    80 probably because AQA are sly and probably won;t drop boundaries but realistically it shuld be no less than 84 UMS
    60 raw marks for Core 4 June 11 was 93 UMS so we could get lucky :crossedf:
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    For the tan question, I only wrote tanx=-1 on part a.. but i worked out the rest in part b..will i get the marks
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    (Original post by Cath-ay)
    was the trig one: tan(theta)= -1 and (root)3???
    did you have to do + or - for the tan(theta)=(root)3. I only did the + value because I thought you can't square root a negative number that's why.
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    (Original post by kitkat19)
    yeah...plus or muinus root 3 and -1
    You sure if its plus or minus because I only did the plus value. damn!!!
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    What do you think 50 Raw marks will be then in UMS? as this is my worse scenario lol
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    (Original post by kitkat19)
    yeah...plus or muinus root 3 and -1
    damn, forgot about that -.- well that's another 2 marks gone! lol

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