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P1: How Was It For You? watch

1. (Original post by lgs98jonee)
afraid not...i got y=3x/2+1/2

and for sum to 20 i got 87.8
wow how do you rememmber allthe answers i cant remembe rmost of it!
2. (Original post by lgs98jonee)
afraid not...i got y=3x/2+1/2

and for sum to 20 i got 87.8

Yep i agree wiv u y=3x/2 +1/2

and sum was 87.8

On the stationary point was it max or min??
3. (Original post by lgs98jonee)
afraid not...i got y=3x/2+1/2

and for sum to 20 i got 87.8
Sounds about right to me, think my sum to infinity was 100 also.
4. (Original post by TheWolf)
wow how do you rememmber allthe answers i cant remembe rmost of it!
lol.just calculated da sum to 20, and remembered the first q cos i nearly got it wrong
5. Yay think i did quite well, the general concensuss of results i got the same as except for the inequalities question which i messed up.
Excellent, so that is hopefully an A on P1 and a nice shiny E on P3
6. question 1a was the midpoint, (5,3) or somthing like that.

1b) y=1.5x + 0.5

2)17 - 12 root 2
b) 0.5 + 0.25 root 2

3) the football pitch thing:

a) x>65

B) x sqaured + 20x - 4800 < 0
(x + 80) (x - 60) < 0

end up with the solutions being +ve when x<-80 and x>60

final ans: 60<x<65

4) tan x = 8/3

b) there were 2 answers, cannot remember.....

c) 70.5 and 289.5

5)

6) this is the +/- SQR3 1.....by substitution or proving x =.........

7) Q: (3, 12)

prove it is parallel by........

area = 4/3

are these all correct then? ( i cannot memba all the ?'s!)
7. (Original post by 2slick)
question 1a was the midpoint, (5,3) or somthing like that.

1b) y=1.5x + 0.5

2)17 - 12 root 2
b) 0.5 + 0.25 root 2

3) the football pitch thing:

a) x>65

B) x sqaured + 20x - 4800 < 0
(x + 80) (x - 60) < 0

end up with the solutions being +ve when x<-80 and x>60

final ans: 60<x<65

4) tan x = 8/3

b) there were 2 answers, cannot remember.....

c) 70.5 and 289.5

5)

6) this is the +/- SQR3 1.....by substitution or proving x =.........

7) Q: (3, 12)

prove it is parallel by........

area = 4/3

are these all correct then? ( i cannot memba all the ?'s!)
looks like it!
8. Yeah, 2slick, those look right to me. To prove PQ is parallel to the x-axis, just show that the gradient is zero, so the equation of the line is y=12.
9. (Original post by Wise Man)
On the stationary point was it max or min??
If I remember correctly, it was minimum.
10. Yes because the change in gradient was a posive number.
11. could someone explain UMS and all that?
how they calculate the final grade?
12. (Original post by 2slick)
question 1a was the midpoint, (5,3) or somthing like that.

1b) y=1.5x + 0.5
Yeah it was the midpoint of the two points (1,2) and (5,8) and then the equation of the line passing through those two points.
13. (Original post by mik1a)
Yes because the change in gradient was a posive number.
yes gradient was 4.32647264832 or something
could someone explain UMS and all that?
how they calculate the final grade?
If its a really hard paper then the marks are scaled up. In practice this means the grade boundaries are lower.

If its a really easy paper then the marks are scaled down. In practice this means the grade boundaries are higher.
15. (Original post by JaF)
If its a really hard paper then the marks are scaled up. In practice this means the grade boundaries are lower.

If its a really easy paper then the marks are scaled down. In practice this means the grade boundaries are higher.
would people agree if i said, after most people opinions on the exams the grade boundaries will be

A 64/75 UMS 80
B 57/75 UMS 70
C 49/75 UMS 60
D 41/75 UMS 50
E 34/75 UMS 40
16. (Original post by chats)
would people agree if i said, after most people opinions on the exams the grade boundaries will be

A 64/75 UMS 80
B 57/75 UMS 70
C 49/75 UMS 60
D 41/75 UMS 50
E 34/75 UMS 40
this looks ok but im wondering whether a would be 85 ums or something because of this paper being easy - i hope not
17. (Original post by TheWolf)
this looks ok but im wondering whether a would be 85 ums or something because of this paper being easy - i hope not
no 80 UMS is always an A in every paper every subject (if its out of 100 that is)
18. (Original post by chats)
no 80 UMS is always an A in every paper every subject (if its out of 100 that is)
oh yea soz ofcourse, i meant 85% not the ums
19. (Original post by Kabeer)
I found it good, i got mostly what yu guys got.
But for the inequalities quesiton i got 60<x<65 AND x<-80, because the left hande side of the quadratic had to be taken into account as well.

Also from where r yu getting this information that 67 is the grade boundry from last year? i looked at the p1 examiners report (available on edexcel site for june 03) and it said mean mark 47.-something, and standard deviation 21.-something,
that means that the top 5% of the entry got 68 and above meaning that the grade A boundry (should be 80% of the entry) would have probably got around 60/61 to get an A
Last year i got 60/75 for P1.....this gave me 73 ums(on my AS results sheet) ie a low B. So nope, 60/61 did NOT give you an A.
20. (Original post by CoolDude13)
Last year i got 60/75 for P1.....this gave me 73 ums(on my AS results sheet) ie a low B. So nope, 60/61 did NOT give you an A.
wow 80% and you only got a low B. how do you know you got 60/75?

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