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MAth4 help

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fahadali:

--- 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)


--- End quote ---

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

Ghost Of Highbury:
@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

Ghost Of Highbury:
@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!!

Priceless:
@ 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. ;)

Ghost Of Highbury:
Q 2) of which paper???

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