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Author Topic: MAth4 help  (Read 8230 times)

Offline fahadali

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Re: MAth4 help
« Reply #30 on: May 17, 2009, 07:19:55 pm »
Quote from: eddie_adi619 on May 17, 2009, 05:25:49 pm
these are few very good notes provided by priceless in a post..
hope it helps u

Lol ya sure np. umm ok here v go.

Reflection:

1. reflection in ml y=x it's (0 1)
                                   (1 0)

2. refelction in ml y=-x itz (0 -1)
                                    (-1 0)

3. refelction in x-axis itz (1 0)
                                 (0 -1)

4. reflection in y-axis itz (-1 0)
                                  (0  1)

Rotation

1. rotation +90 degrees(anticlockwise) around centre(0,0)  itz (0 -1)
                                                                                    (1  0)

2. rotation -90 degrees(clockwise) around centre (0,0)  itz (0  1)
                                                                               (-1 0)

3. rotation 180 degrees around centre (0,0)  itz (-1 0)
                                                                 (0 -1)

Enlargement

1. centre (0,0) wer k=scale factor, itz (k 0)
                                                    (0 k)

Shear

1. x invariant with x-axis wer k=scale factor (1 k)
                                                            (0 1)

2. y invariant with y-axis wer k=scale factor (1 0)
                                                            (k 1)

Stretch

1. x invariant with y-axis wer k=scale factor (1 0)
                                                            (0 k)

2. y invariant with x-axis wer k=scale factor (k 0)
                                                            (0 1)


he/she got this points from Mathematics for IGCSE book by Cambridge i have it :D
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Offline Ghost Of Highbury

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Re: MAth4 help
« Reply #31 on: May 17, 2009, 07:20:48 pm »
@sweetsh ...the answer is (1.5  0)
                                    ( 0    1)

@zara...i cudn't find the oct/nov 2001 paper in FEP...

sry

maybe u can type in the question
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Offline Ghost Of Highbury

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Re: MAth4 help
« Reply #32 on: May 17, 2009, 07:21:50 pm »
@fahadali..

i got these points from "priceless"

maybe she has taken it from the book ..
anyway.
good luck for your exams
hope u do extremely well!!
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Offline Priceless

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Re: MAth4 help
« Reply #33 on: May 17, 2009, 07:25:20 pm »
@ zara n adi umm i wud hv but evn i hv da hard copy. i cud hv scanned it but da scanner is in parents room n dey r sleeping LOL so im not sure wat 2 du. is it posible 2 explain da ques 2 adi cuz evn im not sure bout da ques n prob adi wud no how 2 solve it LOL

n bout da base vestors lol i dnt hv dat bk i thnk dat has da base vectors in it but ya dese were given 2 us by our teachers @ skul so i told u guyz. hope dey helped sweetsh. ;)

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Offline Ghost Of Highbury

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Re: MAth4 help
« Reply #34 on: May 17, 2009, 07:27:20 pm »
Q 2) of which paper???
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zara

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Re: MAth4 help
« Reply #35 on: May 17, 2009, 07:28:32 pm »
@adi
its ques 7......By the way rnt u hvin this ppr....i thought u do.. :-\
@priceless
if u think u can den sure go ahead....
cz its realli big....wonder if adi gets it
« Last Edit: May 17, 2009, 07:30:50 pm by zara »
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Offline Ghost Of Highbury

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Re: MAth4 help
« Reply #36 on: May 17, 2009, 07:31:35 pm »
sorry i don't have the paper...
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zara

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Re: MAth4 help
« Reply #37 on: May 17, 2009, 07:32:36 pm »
oct/nov 2001 q7 (c)....i posted this earlier also...
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Offline Priceless

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Re: MAth4 help
« Reply #38 on: May 17, 2009, 07:32:50 pm »
@adi lol no i didnt mean any ques 2 but i ment is it posible to explain da ques to adi as he wud prob no it...LOL :D

@zara i seriously wud hv if i cud cuz env i hv dat prob but as i said un4tunately da scanner is in parents rum n i cnt disturb dem cuz dey r sleeping. sorry but i du agree da ques is kinda long.hmmm  any1 pls if posible upload da ppr. thnkz n sory once again zara
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Offline Ghost Of Highbury

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Re: MAth4 help
« Reply #39 on: May 17, 2009, 07:38:02 pm »
i heard that the paper is during the afternoon (tomorrow in india)...
so maybe till morning if i can get the paper...or zara cud scan only that page...
anyone else or maybe even i wud be able to help u ..

if i get it somewhere hidden in my hard disk i may surely attempt it and try to explain..

thank u
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Offline Priceless

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Re: MAth4 help
« Reply #40 on: May 17, 2009, 07:43:02 pm »
LOL thnkz n as u said da ppr is in da afternoon but un4tunately i ll b in da xam hall writing da busi ppr  :D so but i prob ll ask my teacher n mayb zara cud du dat 2 if posible 4 her. n adi y r u saying thnk u LOL i shud say thnku 4 ur help n efforts dey helped alot specially da stretch thng-thnkz once again..gud luck wid evrythng!!!!
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Don't say "God I have tooo many problems" but say "Problems I have God!"   Gud Luck 2 all 4 xams. Hope v all du well.....fingers crossed LOL

zara

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Re: MAth4 help
« Reply #41 on: May 17, 2009, 07:45:07 pm »
@priceless...its k..
@adi...my bad...my stupid scanner is nt wrking :(...n ill be goin to m skool in the morning cz its impossible in aftrnoon due to transport problem :'(

ill be hea till or cum bak again maybe by 1 00 am accrding to gmt+4....

n if  i don't get the answer ill see if teachers or frnds cn help....

Thanks a loads adi!!!!
u r so damn helpful!!!
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Offline Ghost Of Highbury

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Re: MAth4 help
« Reply #42 on: May 17, 2009, 07:47:06 pm »
ur welcome..

i found the paper 4 2001 november in scribd..
but it is taking hell lot of time to load as it ihas 1988 -2005 papers too

moreover the print is extremely bad...
i can't view the questions properly..
if something works out ..
i'll try n help..

and ya...my GMT is (GMT + 5:30)
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Offline Priceless

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Re: MAth4 help
« Reply #43 on: May 17, 2009, 07:48:52 pm »
ALL DA BEST ZARA!!!!! ;) :D

@adi ur a lyf saver ur rely gud n very helpful n not 2 mention u go 2 such xtreme lengths 2 help ppl. thnkz alot n best of luck 4 evrythng u du in lyf!!!! :D
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Don't say "God I have tooo many problems" but say "Problems I have God!"   Gud Luck 2 all 4 xams. Hope v all du well.....fingers crossed LOL

Offline Ghost Of Highbury

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Re: MAth4 help
« Reply #44 on: May 17, 2009, 07:49:35 pm »
welcome..
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