You are Here: Home >< Maths

# Edexcel IAL Core Mathematics - C12 - WMA01 - JUNE 2016 Watch

1. (Original post by ToxicPhantom007)
the centre was (a,0)
so circles eq will be (x-a)^2+(y-0)^2=a^2 because a is the radius
and in the second part substitute x with 4 and y with -3 to get a
i got it like 3.125
Ditto

Posted from TSR Mobile
2. (Original post by Najlac)
It was definitely not easy, but it wasn't too hard either. I know many people at my school found it difficult so I'm sure the grade boundaries will be similar to the January 2016 grade boundaries, if not, lower. I guess the difficulty of the paper depends on how many past papers you've done, some people who found the exam very easy have done literally all the papers since 2007 lol
I did papers since 2005 this year was the hardest C12 IMO

Posted from TSR Mobile
I did papers since 2005 this year was the hardest C12 IMO

Posted from TSR Mobile
Really? I found the June 2014 c12 paper a lot more challenging
4. Whew! I was skeptical of the divide by 2 in that first part.And I did +16 because I saw a similar question in Past Papers and just applied that logic here.
5. (Original post by jamessmith 2202)
till what i could remember..not in the same order though!
1. p=1.5, q=63
2. a. 14.556, b. 7.278 , cant remember
3. a. x< or equal to 4.5
b. x> 1.5 or x< -5 X< -5 and 1.5<X<4.5
4. arithmetic440066
5. centre(x-a)^2 + y2= a^2A= 25/8
6. angle sin 19.5 and -30
7. geometric0.817539
8. grapha- (8/5,4/5) b- (20/9, 10/9)
9. log Y^2 = 32/Xx= 0.5y=8
10. Q(x)a= -10b= 13
11. sectorarea = 0.654
12. some angle question pi/12 and 5pi/12
13. integration 11/64
The only answers I can remember right now are 1,2,3,6,8,11 which are the same as yours.
EDIT:I also got the same for 12.
6. Oh yeah,I got √n=√50
And for the segment question,How did you guys attempt it? I created 2 equations for the 2 out of 4 segments and used substitutions.
1. Hey can anybody go through the trig identities question, it was 1-2cos(theta-PI/5) = 0, PI<theta<PI then ii) was 4cos^2x + 7sinx-2=0 i think for 0<=x<=360
1. p=1.5, q=63
2. a. 14.556, b. 7.278 , 30.556
3. a. x< or equal to 4.5
b. x> 1.5 or x< -5 and 1.5<X<4.5
4.arithmetic series quest a)4 b)400 c)didnot solve
5 the surd question a) k=32 b) 5 sqrt 2 c) n=50
6. log question sim. eq. x=0.5 y=8
7.centre(x-a)^2 + y2= a^2A= 25/8 = 3.125
8. angle sin 19.5 and -30
9. geometric series n= 39
10. graph x coordinates A= 8/5 B=20/9 and in the transformed graph we had to multiply y values with 3/2
11. Q(x)a= -10 b= 13
12. sectorarea = 0.654
13. some angle question pi/12 and 5pi/12
13. integration 0.33 (i know this is not exact as asked in the question)
8. (Original post by Najlac)
Really? I found the June 2014 c12 paper a lot more challenging
This was the hardest C12 paper till date for sure. 😓
9. I wouldn't say it was the hardest.Personally I found it a bit challenging but still a little easier than june 2014
10. phymath tutor has said that he won't upload model answers of unofficial mrkschemes. ****
https://pbs.twimg.com/media/CjUAtIbUUAAEf2s.jpg
11. (Original post by ToxicPhantom007)
1. p=1.5, q=63
2. a. 14.556, b. 7.278 , 30.556
3. a. x< or equal to 4.5
b. x> 1.5 or x< -5 and 1.5<X<4.5
4.arithmetic series quest a)4 b)400 c)didnot solve
5 the surd question a) k=32 b) 5 sqrt 2 c) n=50
6. log question sim. eq. x=0.5 y=8
7.centre(x-a)^2 + y2= a^2A= 25/8 = 3.125
8. angle sin 19.5 and -30
9. geometric series n= 39
10. graph x coordinates A= 8/5 B=20/9 and in the transformed graph we had to multiply y values with 3/2
11. Q(x)a= -10 b= 13
12. sectorarea = 0.654
13. some angle question pi/12 and 5pi/12
13. integration 0.33 (i know this is not exact as asked in the question)
Do you remember what question 9 and 11 asked?

Posted from TSR Mobile
12. (Original post by khassan)
Do you remember what question 9 and 11 asked?

Posted from TSR Mobile
Find the least value of N and find Q(x) I think.
13. (Original post by OnTheHorizon)
Find the least value of N and find Q(x) I think.
Ohh..I got n as 66

Posted from TSR Mobile
14. (Original post by OnTheHorizon)
Find the least value of N and find Q(x) I think.
Here is what I did

Posted from TSR Mobile
Attached Images

15. (Original post by khassan)
Here is what I did

Posted from TSR Mobile
It's wrong.The correct answer is 39.I ended up writing 1 number higher(40) So I lose 1 mark out of the total.You had to use logs.
EDIT:Wait You're referring to a different question.I'm talking about the other N where you had to use logs and stuff.As far this answer goes I think 66 is right.
16. (Original post by OnTheHorizon)
It's wrong.The correct answer is 39.I ended up writing 1 number higher(40) So I lose 1 mark out of the total.You had to use logs.
EDIT:Wait You're referring to a different question.I'm talking about the other N where you had to use logs and stuff.As far this answer goes I think 66 is right.
Wow bro u nearly gave me a heart attack

Posted from TSR Mobile
17. (Original post by OnTheHorizon)
It's wrong.The correct answer is 39.I ended up writing 1 number higher(40) So I lose 1 mark out of the total.You had to use logs.
EDIT:Wait You're referring to a different question.I'm talking about the other N where you had to use logs and stuff.As far this answer goes I think 66 is right.
Do you remember the question?

Posted from TSR Mobile
18. (Original post by khassan)
Wow bro u nearly gave me a heart attack

Posted from TSR Mobile
Sorry,I don't remember the question exactly.
19. (Original post by OnTheHorizon)
Sorry,I don't remember the question exactly.
hey do u think my answers are correct ? ive mentioned them above

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: May 29, 2016
Today on TSR

### Am I pregnant?

...or just paranoid?

### Have I ruined my eyebrows

Discussions on TSR

• Latest
• ## See more of what you like on The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

• Poll
Useful resources

Can you help? Study help unanswered threadsStudy Help rules and posting guidelinesLaTex guide for writing equations on TSR

## Groups associated with this forum:

View associated groups
Discussions on TSR

• Latest
• ## See more of what you like on The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

• The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.