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Edexcel FP1 Thread - 20th May, 2016

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Original post by ICantFindMyName
you only have to do (y1 + y2) / 2 and (x1 + x2) / 2

replicated question and pretty sure answer is 15 sqrt(2) / 2


Do you remember what was the coordinates of A
Original post by ICantFindMyName
you only have to do (y1 + y2) / 2 and (x1 + x2) / 2

replicated question and pretty sure answer is 15 sqrt(2) / 2


It isn't. Definitely 15sqrt(2) /4
p is sqrt(2) so -5/sqrt(2) +10 sqrt(2) /2
Original post by Jam3898
It isn't. Definitely 15sqrt(2) /4
p is sqrt(2) so -5/sqrt(2) +10 sqrt(2) /2


I got that too.
Original post by ICantFindMyName
you only have to do (y1 + y2) / 2 and (x1 + x2) / 2

replicated question and pretty sure answer is 15 sqrt(2) / 2


(5p+5p-5/p) should be 15sqrt(2)/4 ?
**** it really is 15sqrt(2)/4
thank god I left it as 15/ 2sqrt(2) LOL
Original post by ombtom
It said "answers to 3 significant figures".


Really? I'm sure it said " Find the modulus... and the argument giving your answer to 3 significant figures".
Original post by TheRandomGenius


YAY. Thank you. Lol love the stuff about fractions
Arsey come on
Original post by ICantFindMyName
**** it really is 15sqrt(2)/4
thank god I left it as 15/ 2sqrt(2)
Lol you gave me a little heartache
Original post by ombtom
It said "answers to 3 significant figures".


Well that's another mark lost for me. Too used to FP2 letting you leave everything as a surd. At this rate, I'll end up with less than 90.
Original post by NotNotBatman
Really? I'm sure it said " Find the modulus... and the argument giving your answer to 3 significant figures".


I don't understand why they would ask for 3sf when there is a perfectly good surd as a final answer lol.
Original post by NotNotBatman
Really? I'm sure it said " Find the modulus... and the argument giving your answer to 3 significant figures".


If you read closely, by the way they spaced comma's, they were implying that just the argument needed to be 3sf. The modulus I believe was root5, anyone agree? :/
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Original post by NotNotBatman
Really? I'm sure it said " Find the modulus... and the argument giving your answer to 3 significant figures".

Nope, it definitely said answers (plural).
Original post by Moezph
If you read closely, by the way they spaced comma's, they were implying that just the argument needed to be 3sf. The modulus I believe was root5, anyone agree? :/


Not sure, I wrote both just to be safe
Original post by Moezph
If you read closely, by the way they spaced comma's, they were implying that just the argument needed to be 3sf. The modulus I believe was root5, anyone agree? :/


Yeah, that's what I thought. I had to read it over twice to make sure.
Original post by Person18
Someone please make a Hitler reacts video


Yesss anyone?
Original post by shuu00
Yesss anyone?


Here https://www.youtube.com/watch?v=h1zXCvs_mFk
If I didn't get a correct. Would I get any other marks for the other part?
Original post by QuantumStuff
If I didn't get a correct. Would I get any other marks for the other part?


You'd get some method marks, but it's normally correct answer only. I wish there was error carried forward like in physics
Original post by Person18
You'd get some method marks, but it's normally correct answer only. I wish there was error carried forward like in physics


That particular question had followthrough as it stated using your value for a. So he would at least get the argument and modulus marks if he did those correctly.

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