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    Does anyone know if you are penalised for not fully simplifying solutions to quadratics having used to quadratic formula? I wrote x= (2+sqrt(44))/5


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    For 10 iii did it ask you to find the new roots of f(g) or f(g) = 0 in its factorised form???
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    (Original post by jpetersgill)
    By that you mean k>14/3 ? That's what I got


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    Yes, exactly that. Was an easy question.
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    How many marks was the completing the square and min point worth?
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    (Original post by vgnnbvv)
    For 10 iii did it ask you to find the new roots of f(g) or f(g) = 0 in its factorised form???
    i fackin hope it didn't lol
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    (Original post by JamesExtra)
    How many marks was the completing the square and min point worth?
    2 I think.
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    Just done the paper (ocr c1 june 2015) was an ok paper. Question 6 was quite hard. Made a stupid mistake on last question. Fingers crossed.
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    Unofficial mark scheme?
    1) Make r the subject. A=πr^2(x+y)
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    Is not simplifying a problem?

    Idk why but I always thought theyspecifically ask you to simplify if they wanted it simplified and I sometimes see simplified and non simplified as the answer?
    I'm worried now cause there were quiet a lot of fractions and my dad thinks I'm stupid now for not doing it lol
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    what did everyone get on Q12 part 2

    for completing the square i got

    3(x+2)^2+1 ?
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    (Original post by simon1207)
    what did everyone get on Q12 part 2

    for completing the square i got

    3(x+2)^2+1 ?
    How many marks was that worth?
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    (Original post by simon1207)
    what did everyone get on Q12 part 2

    for completing the square i got

    3(x+2)^2+1 ?
    crap wrong thread.
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    (Original post by JamesExtra)
    How many marks was that worth?
    The whole question was 5 i think because you had to state why the curve doent cross the x axis!
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    (Original post by particlestudent)
    crap wrong thread.
    what do you mean ?
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    (Original post by simon1207)
    The whole question was 5 i think because you had to state why the curve doent cross the x axis!
    I got it wrong and put 3(x+2)^2+9 then said it doesn't cross because min point is (-2,9) how many marks will I get??
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    i think you will lose three marks fro completing the square wrong but you might get 2 for stating that it doesn't cross it. Not sure though
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    For 12i if it was 4 marks and i got to k>4 1/3 how many marks would i get for putting 13/3 instead of 14/3
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    GUYS HOW WAS IT?

    Q12 and the surd part ii killed me.


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    (Original post by simon1207)
    i think you will lose three marks fro completing the square wrong but you might get 2 for stating that it doesn't cross it. Not sure though
    Ok thanks
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    i out 56/12 which is the same as 14/3 but i think you will only loose one mark as your method would be correct
 
 
 
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