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Math Paper 12 May/June 2013
dy/dx has a value of < 0 for all values of x (and that includes the domain that they give) So it's a decreasing function. -
Math Paper 12 May/June 2013
The question gives point R (-1.3) and line of 3y + 2x = 33 as the mirror. We are looking for the image of R, (let's name it as P) Rearranging the equation of the mirror gives us y = -2x/3 + 11 Therefore gradient (m) of mirror is -2/3. Since we understand that the line PR will be PERPENDICULAR... -
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Business 9707 P1 post your doubts here!
I created this thread so we can start sharing our doubts, I might be able to clarify some here and there and I will try my best to :) All I ask for in return is everyone to do the same and to pray for everyone that participates insha Allah. :) -
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How was AS Math P1?
Agreed. Not sure about which trick on the domain that you are talking about, though. -
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AFTER 24 hr .. P1 discussion here !
Tomorrow afternoon for me :P I'm eager to see all my answers :) -
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How was AS Math P1?
Agreed, the paper is normal apart from the 7 mark question. Don't think it would be considered as a "hard" paper. -
AFTER 24 hr .. P1 discussion here !
There are two possible values of K which I can explain. PM me for both the reflection question and the K question in progression. :) -
How was AS Math P1?
The threshold of W12 P12 was 55/75 for an A, but I do agree with you that this was a manageable paper, so I am not looking at a threshold below high 50s (although I do believe it should be low 60s) -
How was AS Math P1?
Anyone remembers the curve of question 3? I think it was y = x^2 +12x + 12 if I was not mistaken. If anyone could give me the details of question 3 I could work it out for y'all. ;) -
How was AS Math P1?
What are the tricky questions in you guys' opinion that will bring down the threshold apart from Q7? I do understand that 7 mark question was a bit too much to digest, but apart from that the others look pretty much "normal". -
Pure Mathematics 1.... AS students only
PM me for a solution in Q7 :) -
How was AS Math P1?
The paper was not too difficult apart from question 7 that carries 7 mark, even so it just requires a little logic behind it. As of the others I do not think there are other technical questions that involves in heavy common sense. I would stick to low 60/high 50 (58-63) for an A. (I did V2 just... -
Calculator
I did 9709 P12 from Qatar and we are not instructed to write the calculator model as such. I personally used 82-ES PLUS. I am not going to comment much but syllabus wise, calculators that are able to work out equations are not allowed for the exam. Since 911-ES can work equations (and much more)...