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# Edexcel AS/A2 Mathematics M1 - 8th June 2016 - Official Thread watch

1. In honesty...the only topic that I think would be a nightmare has to be vectors...though in my case, my teacher really sucked with the topic.
2. (Original post by muctarrio97)
In honesty...the only topic that I think would be a nightmare has to be vectors...though in my case, my teacher really sucked with the topic.
Exam solution is good, he explains it thoroughly
3. What's everyone's main M1 revision method at this stage?

Also, are Solomon papers good for Mechanics modules?

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4. Any predictions on this years M1 difficulty? I haven't done June 15 yet so I don't know how hard that was

So far it has been a relatively difficult year with C1 being noticeably trickier and C2 average/tricky (question 9!)

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5. (Original post by Don Joiner)
Also, are Solomon papers good for Mechanics modules?
I'd say they're good for M1. Not so much for M2 or M3.
6. What is the hardest M1 papers you've done?

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7. (Original post by Ayman!)
I'd say they're good for M1. Not so much for M2 or M3.
8. Anyone explain part b to the IAL Jan 2014 queestion please?
9. https://534ff63a01f6cb44c9c4e6980176...TVSYUE/CH2.pdf

Please could someone explain page 83.

Ex 2E Q13

Why can the area of the trapezium where the horizontal lines are 'a' and 'b' not be used?
10. (Original post by L'Evil Wolf)
Anyone explain part b to the IAL Jan 2014 queestion please?
Which question?

And post your working / explain why you're stuck.
11. (Original post by L'Evil Wolf)
https://534ff63a01f6cb44c9c4e6980176...TVSYUE/CH2.pdf

Please could someone explain page 83.

Ex 2E Q13

Why can the area of the trapezium where the horizontal lines are 'a' and 'b' not be used?
Which trapezium? The whole shape is not a trapezium since it has 5 sides.

But you could make the method a bit faster by splitting the shape into two trapeziums e.g. if you cut the shape along the line x = 20.
12. (Original post by notnek)
Which question?

And post your working / explain why you're stuck.
It is the very last part of b, I don't get how they equate the areas/

(Original post by notnek)
Which trapezium? The whole shape is not a trapezium since it has 5 sides.

But you could make the method a bit faster by splitting the shape into two trapeziums e.g. if you cut the shape along the line x = 20.
Thank you awesome explanation
13. why do we set distances equal for two particles at the point of overtaking
14. (Original post by L'Evil Wolf)
It is the very last part of b, I don't get how they equate the areas/
You have to tell us the question number.
15. (Original post by L'Evil Wolf)
why do we set distances equal for two particles at the point of overtaking
Your question is a bit vague - if you post a question then we can help you better.

If two particles start from the same place then at the point that one overtakes the other, both particles will have the same displacement from the origin.
16. Should you draw a vertical line or not when plotting an instantaneous change in acceleration on an acceleration-time graph? sorry if this question is dumb but i never bothered to learn the chapter on speed/time graphs etc.
17. (Original post by notnek)
You have to tell us the question number.
last question sorry
(Original post by notnek)
Your question is a bit vague - if you post a question then we can help you better.

If two particles start from the same place then at the point that one overtakes the other, both particles will have the same displacement from the origin.
I see that makes more sense thank you.
18. (Original post by L'Evil Wolf)
last question sorry
Both trains start from the same station and end at the same station so the total distance travelled by both trains is the same.

This means that the areas under the graphs for the 2 trains will be the same.

First find the area under the train A graph (the trapezium).

If you get stuck, post all your working / ideas.
19. (Original post by Themathgeek)
What is the hardest M1 papers you've done?

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Jan 2016 try that I bet you!
Not sure but it might seem easy for you.
20. Can anyone explain 5b on this paper?http://qualifications.pearson.com/co...e_20090113.pdf

I have been taught to resolve parallel then perpendicular, which is what I did, but I didn't get the right answers and the mark scheme is for resolving vertical/horizontal. This has happened on another paper too, so I don't know what I'm doing wrong.

Thanks anyone

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