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OCR MEI FP1 (14th May 2015) Watch

  • View Poll Results: What will the A boundary be?
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    (Original post by Dan205)
    Alright ish I think! Question 8 confused me a bit though :/

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    question 8 screwed me over, I've fully lost all the marks in that section
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    Anyone remember how many marks q8 was?


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    (Original post by hex123)
    What did you all put for the (8 part iii)transformation matrix ( back to triangle ABC) and the area of a"b"c"( 8 part4)?
    I think I got the area of A''B''C'' to be 192 units ^2 (4 x 48 which was the area s.f)
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    192 square units
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    (Original post by simon1207)
    192 square units
    This is what I got. Determinant was 48. the area of ABC was 4 so 4 *48 = 192 square units
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    Did everyone get -7 and 123

    For the question where you needed find q and r
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    (Original post by simon1207)
    Did everyone get -7 and 123

    For the question where you needed find q and r
    Yeah I got that
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    Well. That paper was beautiful.
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    Yeah. The poll answers are messed up. Perhaps a mod could rectify them...
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    Anyone have the paper or unoffical mark scheme i can look at?
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    Has anyone got the paper?
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    Is there a mod that can sort out the poll?
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    (Original post by lena98)
    question 8 screwed me over, I've fully lost all the marks in that section
    It took me ages to get it :/ I used the calculator to solve one of the cubics though so definitely won't get all the marks 😂 how'd you find the rest?
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    (Original post by lena98)
    question 8 screwed me over, I've fully lost all the marks in that section
    Took me ages to get it,and had to use the calculator to solve the cubic so definitely won't get all the marks 😂 how'd you find the rest of the paper?

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    1. x=5/18, y=1/27
    (find the coefficients) I got one as 20 I think.
    (Find k) k=⅓
    (Find the roots) 5+4j, 5-4j, -3
    (Find coefficients - again) -7 & 123
    Can't remember much else.
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    (Original post by fudgeboy989)
    Anyone remember how many marks q8 was?


    Posted from TSR Mobile
    Part 3 was 3 marks
    Part 4 was 2 marks

    Can't remember how many for the others.

    A friend and I made an unofficial mark scheme afterwards though,
    Note: Q1 should have X and Y the other way around, and Q4 is the one on the right except without the part beneath having been shaded.
    http://www.thestudentroom.co.uk/atta...5&d=1431602667
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    (Original post by MintyMilk)
    Part 3 was 3 marks
    Part 4 was 2 marks

    Can't remember how many for the others.

    A friend and I made an unofficial mark scheme afterwards though,
    Note: Q1 should have X and Y the other way around, and Q4 is the one on the right except without the part beneath having been shaded.
    http://www.thestudentroom.co.uk/atta...5&d=1431602667
    From your mark scheme I reckon I lost around 5 marks... All on question 8 😞

    Posted from TSR Mobile
 
 
 
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