Ocr a c3 maths retake Watch

Sadilla
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#1
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#1
how was it guys ?
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tanksky
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#2
Pretty hard, how about you?
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Sadilla
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same , bit worried about c4 now . did u find the exam paper was a different style to previous papers ?
(Original post by tanksky)
Pretty hard, how about you?
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akinaro
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Thought it was much harder than other years, very weird decimal questions like the ln0.8 one or soemthing
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yousman3357
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what did you get for the last one ?
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tanksky
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yeah it was definitely much harder than last year
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yousman3357
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25root 5 for the last one ?
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yousman3357
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lets do a mark scheme here
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yousman3357
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what about the ggg(x) question.

for q: -6 and 10 ?
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akinaro
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(Original post by yousman3357)
25root 5 for the last one ?
i got the answer wrong for that but what was the value of a?
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yousman3357
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#11
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for the trig question sin^2 A = 0.55 and sin^2 B = 0.2 ?
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yousman3357
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3.5 I think
(Original post by akinaro)
i got the answer wrong for that but what was the value of a?
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yousman3357
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Keep posting your answers here
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tanksky
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i got p=-1/2 and q=20?

(Original post by yousman3357)
what about the ggg(x) question.

for q: -6 and 10 ?
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yousman3357
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how did you get that?

All I did was: I subbed the equation into each other and formed an equation involving p^2qx + pq + q = 15

then I used the discriminant to find the q
(Original post by tanksky)
i got p=-1/2 and q=20?
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Sadilla
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for the last one i think i got 2 root 5 after simplifying the surds , what did u guys get for the 1st question ?
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Sadilla
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(Original post by akinaro)
i got the answer wrong for that but what was the value of a?
i think i got 7/2 or 7/5 for a
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Meister321
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#18
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#18
This is what I remember p=-1/2 q= 20
1)4.5
8ii) sin(A)^2= 0.525 sin(b)^2 = 0.175
8ii)theta =pi/30
9)6√5
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freddiewasps
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was anyone else getting A*'s in past papers and still found the exam extremely hard?
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tanksky
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what do you think grade boundaries will be?
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