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Edexcel GCSE MODULAR (H) June 11 UNIT 3 CALC PREDICTION PAPER inc solutions!

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In relation to my question (about being stuck on the second part of '6B') I entered it all into the quadratic formula and simplyfied it all down to get x = -4.61369649 and x= -9.38630351
Anyone else get that?

dan_0202, you neded to download the PDFs, and upload them so we can download them.. it would be really helpfull!

Regards,

Reply 21

TheFootyKing19

Quadratic formula answer is x = 1.21/-3.53

Reply 22

Jonooo

Wow. Care to explain how you got there? It would really help..

Reply 23

issyconnor

Original post by dan_0202

it is very unlikely they will put in a sin graph question, there hardly ever are.

Yes, it is very unlikely, but a sin graph question did actually come up once a few years ago (2008, I think) so I wouldn't be all to suprised if they decided to do it again.

Also, shifts and stretches of sin graphs are on the cirriculum but according to my maths teacher, they have been underused as there is a lot of complaints that it is a very difficult.

Reply 24

dan_0202

Here is the predicted calculator paper, so far it won't let me upload the mark scheme but I'll carry on trying.

Pixl Edexcel higher modular June 2011 final[1].pdf564.4KB

Reply 25

FFX91

Anyone confirm my answers:
2) 11.94117647
7) x = 2.7
9a) -1,0,1,2,3
b) x is greater than/equal to 3.5
ii) 4
15) 1st box, 3rd box and 6th box
5) 9261
b) A
7) R is pretty near Q can't describe it more than that
6a) Rotated 270 deg anti-clockwise about (1,1)
b) Point (1,1) on triangle A moves to (-1,3) e.t.c
b) x = 1.22 / -3.55
13)a) 70 degrees
b) 20 degrees, angles subtended on the same arc
15) 6.36 cm
18) 27.5 degrees
21) 540
22) 21.8cm
b) 66.4
24) 85.46 degrees
b) curve squashed and amplitude multiplied by 4
26) AP is common
PB = PC
angle PBA = angle PCA

Reply 26

kanojyoxx

Original post by FFX91

Anyone confirm my answers:
6a) Rotated 270 deg anti-clockwise about (1,1)
24) 85.46 degrees

For 6a, I got reflection on the line y=x?

24: I got 41. What did you have cos a equals?

Reply 27

frosty122

A the solutions would be really good for this. could someone do them ?

Reply 28

Cavzy

Can anyobody tell me if using a fountain pen would be alright for the exam?

Reply 29

frosty122

sorry did not see the guy who posted the answers sorry my bad

Reply 30

frosty122

what colour is it ?
they just like you to write in black pen

Reply 31

Cavzy

Original post by frosty122

what colour is it ?
they just like you to write in black pen

Its got back ink.... will that be fine?

Reply 32

Ashleigh_dancer

just wondering how did u calculate Q9 b)ii) to be 4

Reply 33

kanojyoxx

Original post by Ashleigh_dancer

just wondering how did u calculate Q9 b)ii) to be 4

From the previous question, you know

x \geq 3.5

x

is going to be bigger than 3.5. It then asks for the smallest possible WHOLE value of

x

The smallest value would be 3.5 but that is not a whole number so you need to the nearest whole number from that which would be 4 (it wouldn't be 3 because that wouldn't fit the inequality

x \geq 3.5

)

(edited 12 years ago)

Reply 34

choccandy21

ooh thanks :smile:

i dont mind any of those topics but whats the answer to the congruence one?SSS?

Reply 35

Jonooo

dan_0202 - Any chance of the mark scheme being uploaded.. :/ Would really help!

TheFootyKing19 - How did you get your answers to the quadratic question in the first predicted paper...

Reply 36

TheFootyKing19

How did you get 540 for the proportion question? Its 60?!

Reply 37

Cavzy

Can somebody please explain how you solve 3x + 7x - 13 = 0?

Reply 38

kanojyoxx

Original post by TheFootyKing19

How did you get 540 for the proportion question? Its 60?!

Did you get

M=20*L^3

Reply 39

dan_0202

mark scheme for earlier predicted paper, sorry I had to write it out instead (:

1)
a) 5.
b) Correct enlargement.
2.
a) 546euros.
b) £78.
3. 11.94117647.
4. w=4.
5. x=3.2.
6. 30 degree's.
7.
a) -3, -2, -1, 0, 1.
b) x>4.5.
8.
a) i) x=140degree's.
ii) Angles subtended by an arc.
b) i) x=110degree's.
ii) Sum of opposite angles in a cyclic quadrilateral is 180degree's.
9.
a) 5x+60=360.
b) x=60degree's.
10. (dots represent cubes)
a)
.
.
.
.
b) . .
11. Triangle should have co-ordinates now of (-1,3), (3,3) and (-1,5).