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Author Topic: Additional Math Help HERE ONLY...!  (Read 76010 times)

Offline BlackBunny103

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Re: Additional Math Help HERE ONLY...!
« Reply #435 on: June 09, 2010, 05:12:57 pm »
Quote from: J.Darren on June 09, 2010, 04:48:52 pm
LOL I am hoping for Relative Velocity ... Aliens colliding with each other on a screen, how exciting :P

Lolz, that'd be awesome, it's more entertaining than some random boat/plane blowing in the wind ;D
Relative velocity is on my BLACK LIST for now. I'm doing IB Maths HL next year so hopefully, no more of that ;D
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Offline jellybeans

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Re: Additional Math Help HERE ONLY...!
« Reply #436 on: June 09, 2010, 05:13:39 pm »
Quote from: J.Darren on June 09, 2010, 05:09:43 pm
I thought the question required us to find the exact value of p instead of log p ?

uhuh! it says P :) :) :) IM SURE!!!!!! cuz all my friends did p as well.... but kinda got different values cuz our gradients were kinda diff
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Offline Dibss

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Re: Additional Math Help HERE ONLY...!
« Reply #437 on: June 09, 2010, 05:15:01 pm »
Quote from: adrian1993 on June 09, 2010, 05:10:08 pm
Hey dibbs, what came out for V1?
From what I've been reading it was completely different from V2. Topics I remember:
Lots of calculus!
Binomial exp
Logs
Sets/Venn
Functions
Surds

What about V2?
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Offline J.Darren

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Re: Additional Math Help HERE ONLY...!
« Reply #438 on: June 09, 2010, 05:16:42 pm »
Quote from: jellybeans on June 09, 2010, 05:13:39 pm
uhuh! it says P :) :) :) IM SURE!!!!!! cuz all my friends did p as well.... but kinda got different values cuz our gradients were kinda diff
Kudos for us :D I found p to be 25 sth - 10^1.4 :)

Adrian : You did Variant 1 ?

I will be doing A-Level Mathematics with Further Mathematics next year, and Mathematics is no more than a repetition of what has already been covered in the IGCSE Additional Mathematics syllabus :D

Dibbs : All the topics that you have just mentioned did not appear in the Paper 2 Variant 2 at all :O
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Offline Dibss

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Re: Additional Math Help HERE ONLY...!
« Reply #439 on: June 09, 2010, 05:19:27 pm »
Quote from: J.Darren on June 09, 2010, 05:16:42 pm
Dibbs : All the topics that you have just mentioned did not appear in the Paper 2 Variant 2 at all :O
Really?! :o
What did come then?
Haha what if they're planning to switch variants and papers but just with different numbers? -sigh- If only.
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Offline J.Darren

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Re: Additional Math Help HERE ONLY...!
« Reply #440 on: June 09, 2010, 05:22:03 pm »
Quote from: Dibss on June 09, 2010, 05:19:27 pm
Really?! :o
What did come then?
Haha what if they're planning to switch variants and papers but just with different numbers? -sigh- If only.
Uh straight line graph in the form Y = mX + c with y^2 = Y and sec x = X

2 x 2 matrix - finding the inverse and hence solve simutaneous equation

etc etc.
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Offline adrian1993

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Re: Additional Math Help HERE ONLY...!
« Reply #441 on: June 09, 2010, 05:22:13 pm »
Darren, I was quite sure it was logp cuz MY whole class said it was logp.

Hey dibbs, were the functions and sets tough?
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Offline Dibss

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Re: Additional Math Help HERE ONLY...!
« Reply #442 on: June 09, 2010, 05:25:38 pm »
Quote from: adrian1993 on June 09, 2010, 05:22:13 pm
Hey dibbs, were the functions and sets tough?
TBH I found the whole paper really easy but the rest of my class had a lot of problems. I'd say that it depends on your ability. Since you've studied, don't stress, it's not tough (:
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Offline jellybeans

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Re: Additional Math Help HERE ONLY...!
« Reply #443 on: June 09, 2010, 05:26:15 pm »
hahah :o oh? LOL weirdddd, my whole calss said it was Q and it was the 10^ of something thingggy to find Q or p.. lol whichever it was
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Offline adrian1993

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Re: Additional Math Help HERE ONLY...!
« Reply #444 on: June 09, 2010, 05:27:12 pm »
I mean I am kinda worried for the functions thing. Do they ask questions like find the domain of fx or gx?
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Offline J.Darren

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Re: Additional Math Help HERE ONLY...!
« Reply #445 on: June 09, 2010, 05:27:56 pm »
Quote from: jellybeans on June 09, 2010, 05:26:15 pm
hahah :o oh? LOL weirdddd, my whole calss said it was Q and it was the 10^ of something thingggy to find Q or p.. lol whichever it was
I think so too :(

Yeah domain and range - Does it concern natural lograithum and exponentials ? I hate them >:(
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Offline tunnellord

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Re: Additional Math Help HERE ONLY...!
« Reply #446 on: June 09, 2010, 05:30:58 pm »
dont worry darren, u will only need to substitute values given to find the domain. Its rather dogmatic stuff.
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Offline adrian1993

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Re: Additional Math Help HERE ONLY...!
« Reply #447 on: June 09, 2010, 05:31:13 pm »
By the way I need help to the below:

g(x)-->1-(x^2)+6x
domain is 2<=x<=7

Find range.
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Offline J.Darren

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Re: Additional Math Help HERE ONLY...!
« Reply #448 on: June 09, 2010, 05:32:55 pm »
Quote from: tunnellord on June 09, 2010, 05:30:58 pm
dont worry darren, u will only need to substitute values given to find the domain. Its rather dogmatic stuff.
Phew ...

Adrian : Rewrite it in the form ax^ + bx + c.
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Offline adrian1993

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Re: Additional Math Help HERE ONLY...!
« Reply #449 on: June 09, 2010, 05:34:40 pm »
I got it as <=-6 and >9. I don't know why the mark scheme says its <=-6 but <=10
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