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# Edexcel FP1 Thread - 20th May, 2016 watch

1. (Original post by xx_lofsuburbia)
I thought I had 5 minutes to spare, so I rushed a number of answers, then about 10 minutes later, I sat there wondering why we hadn't been told to stop, only to realise that we still had time...
Wow! I ran out of time

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2. (Original post by Sallekmo)
Lol i couldnt prove x so i equated whatever i had to their x and used their x and subbed it in the y=-x to prove the y coordinate. The last part to find the midpoint i was getting there doing 1/2* x coordinate of p + x coordinate
Same with y but i couldnt finish it as time finished. I really wish arsey releases the papers quick. I saw the paper on the table i was so tempted to tak a few pictures. Lol
You needed to get a rearrangement with something like (1-p^4) and dif of 2 squares gives (1+p^2)(1-p^2). This then cancels with the denominator and you get the answer.
3. (Original post by LewisClothier)
I got √5 for the modulus, which is like 2.23, oh well

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It was root 5
4. Same.
(Original post by LukeB98)
No idea for the lines. I got a=-1 and so the modulus was sqrt(5), which is 2.34.
5. Come and vote and see last year's FP1 voting and boundaries
http://www.thestudentroom.co.uk/show....php?t=4101989
6. (Original post by Themathgeek)
Wow! I ran out of time

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I messed up question 7 and the matrices question, probably along with others...

Now I can't afford to **ck up either D1 or M2.
7. Couldn't even prove the equation of the chord completely messed up on the graph questions and complex number questions. Solid D here I come
8. (Original post by midgemeister7)
oh right, a was -1, modulus was root5 and argument was something like 2.03
How was the Mod Root 5?
9. I dropped 6 marks for definite and accounting for silly mistakes I would guess I got 65/75. But then it was a resit for me pretty sure I have secured an A in AS further maths

Onwards and upwards!
10. (Original post by imnoteinstein)
Yeah couldnt do it, so i pretended my working was equal to the answer given :/
yeah same haha, kind of just jumped to the answer because I didn't know how to do the intermediate steps
11. I thought the question asked for the relationship between OR AND OP. So stupid!
12. Really messed up bad. Anyone have the paper and/or unofficial answers?

Got the modulus to be 5, cause it was -5 right? So sqr. root of -5 squared gave me 5. But I probably read the question wrong considering so many are saying root 5.
13. Anyone found the model answers
14. (Original post by Skygliderjack)
It was root 5
It said to leave it to 3SF I think
15. I got root5 for the modulus.
(Original post by mathew daniels)
2.03 for the modulus and -8i for z squared?
16. (Original post by Foutre en L'air)
It said to leave it to 3SF I think
Yeah I did It was just easier to say root 5
17. (Original post by Chirstos Ioannou)
How did you do 7(d)? Find the value of k for which T maps points on y=kx onto itself?
k=5
18. (Original post by thelegend99)

Got the modulus to be 5, cause it was -5 right? So sqr. root of -5 squared gave me 5. But I probably read the question wrong considering so many are saying root 5.
It wanted the modulus and argument of z, not z^2+2z
19. Anyone remember how many marks the last two parts of 9 were worth?

Think I lost all them marks but got the rest the paper

For the first proof by induction is it alright if I didn't do the step shown in the pic?

20. I got 5root2-5/2root2, which is the same.
(Original post by imnoteinstein)
Was the x coordinate of the last question somethinf like 15 (root2)/4?

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