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Edexcel C1, 19/05/2016

Anyone want to create a mark scheme for todays paper? From what I can remember: There was Integration, Rationalising the dominator (having simplified a surd in part a), drawing y=2f(x) and y=f(x)-2, Sequences (couldn't understand the last part of it very well was it a recurrence formula?), Working out equation of lines and then working out area of quadrilateral, Proving a dsicrimant statement from simultaneous equations and Working out the point P from to lines that are parallel. ... I just hope grade boundaries are very low xD.
Reply 1
Avatar for cola99
cola99
I don't know if they are right but here're my answers
1) m=-5/3
B(-3;4)
k=-30
2) 45
75-32r5
3) (x-7/2)2 - 41/4
Min value -41/4
Translation [ 1/2 41/4]
4)/
(x+3)(x-4)(x-4)
/
5)(x-5)2 + (y-3)2 =65
?
-4y+7x+18=0
9
6) -1 +/- r5
/
k=4 or k=20
7) -32x-40=y
Q( -5/4 ; 0 )
51/4
15/4
8) 27-12x
x<-3/2 and x>6

Did you get smthg like that ?
Reply 2
Avatar for Maz A
Maz A
OP
16
Original post by cola99
I don't know if they are right but here're my answers
1) m=-5/3
B(-3;4)
k=-30
2) 45
75-32r5
3) (x-7/2)2 - 41/4
Min value -41/4
Translation [ 1/2 41/4]
4)/
(x+3)(x-4)(x-4)
/
5)(x-5)2 + (y-3)2 =65
?
-4y+7x+18=0
9
6) -1 +/- r5
/
k=4 or k=20
7) -32x-40=y
Q( -5/4 ; 0 )
51/4
15/4
8) 27-12x
x<-3/2 and x>6

Did you get smthg like that ?

Did you do the same exam board. The first edexcel question was integration either that or I have failed miserably.:frown:

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