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Edexcel FP3 June 2015 - Official Thread

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Reply 800

username1162972

I could get 69 or 66. Hipefully 68/67 is 100 so 2 marks lower then last yr!

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Reply 801

username1162972

What did pple get fro perp distance in vectors quest?

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Reply 802

cogito.

Original post by trooken

Normalised eigenvectors if anyone's curious

For 2-√2, it was (0.5, -1/√2, 0.5)
For 2, it was (1/√2, 0, -1/√2)
For 2+√2, it was (0.5, 1/√2, 0.5)

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Correct! But why they only give 5 marks(normally 9 for whole or 6+6)

Reply 803

username1432489

Original post by Jay-dawg

I did this as well, I got y=-4mx , what did you get? :smile:

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Most people got Y=(-1/4m)X, includin

Reply 804

TeeEm

Original post by physicsmaths

**** i think i forgot to times by 1/2

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a4.jpg67.0KB

Reply 805

Emmi12345

So, where's the 'Hitler Reacts' video then...?

Reply 806

math42

Original post by physicsmaths

I could get 69 or 66. Hipefully 68/67 is 100 so 2 marks lower then last yr!

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You were right about doing the harder exam first
Flopped FP3 I think (hopefully a* still safe)
Well if everything I did is right I'll get 68/75 plus method
But I didn't check anything so it's probably a lot lot lower

Reply 807

cogito.

Original post by physicsmaths

What did pple get fro perp distance in vectors quest?

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1/root10?

Reply 808

Swadq

Original post by physicsmaths

What did pple get fro perp distance in vectors quest?

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\dfrac{\sqrt{10}}{10}

Reply 809

Gome44

Original post by physicsmaths

What did pple get fro perp distance in vectors quest?

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1/sqrt(10) I think, can't really remember

Reply 810

soundhippo

Original post by cogito.

1/root10?

exactly what i got. thanks

Reply 811

TeeEm

Original post by Emmi12345

So, where's the 'Hitler Reacts' video then...?

N2.jpg10.4KB

Reply 812

trooken

Original post by Jay-dawg

I did this as well, I got y=-4mx , what did you get? :smile:

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I made a mistake in my algebra. I've tried again now and got the right answer. Hopefully I get 2/6 for getting a quadratic and solving for x

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Reply 813

username1162972

Original post by TeeEm

I think i got it right, as everyone else got 1....
95 ish ums for getting around 65-69 ? Not bad as i learnt half of the module yesterday !

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Reply 814

raff97

Original post by physicsmaths

What did pple get fro perp distance in vectors quest?

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1/root10.

For 8c how many marks for just writing y=-1/m * x after doing some working (out I found 2 general points and the gradient between them using factor formulae) ? I just looked at the line and did it by inspection, I was close! only a factor of 4 out