Edexcel AS Further Maths Core Pure 13th May Watch

FirstAstroRook
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#41
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#41
thanks for posting the questions
(Original post by SarahLouise0911)
The order is wrong but I found the test hard :/

1.Matrix 2x2 inverse, determinant was -18 so not singular. Show that line was invariant.
2. Roots of polynomial w-3=x, don’t remember my answer though.
3. Argand diagrams? Roots aren’t the same quartic because they’re not complex conjugates. Prove argument was pi/4 and shade the diagram.
4. Is the line on the plane, intersect or parallel - didn’t manage to finish.
5. Three roots questions, -4 or 4 (don’t remember) and 2 +- 2^1/2. P was 22 or -22
6. Prod by induction (show that)
7. Vectors shortest distance I got as 427 approx so I saiid it was practical as OP was only 5 longer so not significant
8. Volume of revolution, I got the angle as 254 approx?
9. Series with the marbles mean and standard deviation, got the show that but can’t remember my answer for the standard deviation.
10. ChImPaNzEezZz
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Alyscara
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#42
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Radians
(Original post by dasdsd)
Can’t remember did it ask for the angle in degrees not radians? I got 4.4 radians
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dasdsd
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#43
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#43
Was that really easy? Messed with my mind and I didn’t even answer it.
(Original post by √-1)
even the standard deviation question?
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Crabstix
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#44
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#44
I did the same as you, got like 0.51 or some rubbish. Honestly this paper was shambles for me so I would be okay with a B.Does anyone have a good approx of what the grade boundaries will be like for Core Pure and other modules?
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Livie1717
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#45
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I got that although I'm unsure it was correct aha


(Original post by thekidwhogames)
My friend said 4.444 radians for volume?
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Harry_Spencer
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#46
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was around 100 for an A last year
(Original post by Xiaoen)
I did the same as you, got like 0.51 or some rubbish. Honestly this paper was shambles for me so I would be okay with a B.Does anyone have a good approx of what the grade boundaries will be like for Core Pure and other modules?
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Xiaoen
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#47
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I thought the grade boundaries would go up by about 5-7% but after that paper I can only hope it goes down (unlikely though haha)
(Original post by Harry_Spencer)
was around 100 for an A last year
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dasdsd
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#48
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I have a feeling they will stay the same, you still think they will go up?
(Original post by Xiaoen)
I thought the grade boundaries would go up by about 5-7% but after that paper I can only hope it goes down (unlikely though haha)
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DumplingM
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#49
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I think everyone can agree that that was a tough exam
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Xiaoen
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#50
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Hard to say at this point, I rarely see edexcel boundaries go below 60% for an A but If we all do not so good (besides the elitists lol) then I can imagine it not changing so much.
(Original post by dasdsd)
I have a feeling they will stay the same, you still think they will go up?
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√-1
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#51
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#51
honestly I think they will go down tbh, as lots of people didn't do very wel
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ursbhhdb
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#52
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anyone know what the grade boundaries could be like
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_gcx
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(Original post by Xiaoen)
Hard to say at this point, I rarely see edexcel boundaries go below 60% for an A but If we all do not so good (besides the elitists lol) then I can imagine it not changing so much.
AS physics last year was 86/160 for an A so it could happen. But TSR is often bad with predicting grade boundaries. (often overestimating them)
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Ejaz_U
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#54
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Absolutely awful! Pretty much failed most of the paper, made too many stupid mistakes and now my sole hope is that the grade boundaries are lower than last year
(Original post by dasdsd)
Anyone else do the paper, and how did you find it compared to past papers?
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gurshaanssethi
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#55
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I just hope Edexcel becomes a babe and sets the grade boundaries to 10 for an A.
While other schools here in our city in Wales decide to do WJEC (Welsh Educas), our school decided to do Edexcel (which is definitely harder) for Maths and Further Maths
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NATHan w
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#56
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Angle was 20/9 therefore 2.22 3sf The line and the plane didn’t interest Vector mountain was 220s, I got λ =1/4 in my equationsRoots were 4, 2 root2i, 2-root2i, p =22
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acromo
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#57
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Where can I find the paper?
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thekidwhogames
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#58
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I didn't do the paper so unsure what was the actual question or answer
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NATHan w
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You won’t be able to get it until next year cause it was sat today
(Original post by acromo)
Where can I find the paper?
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Livie1717
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#60
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#60
Anyone else get lambda as 57/77 in the vectors mountain question or have I gone seriously wrong?

Also, I got 4.44 radians for the angle and have no idea about that weird summation question
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