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misal titik A memotong di sb y --> x = 0
0-2y = 1
2y = -1
y = -1/2 ---> A(0, -1/2)
titk B memotong di sb x --> y = 0
x -2(0) = 1
x = 1 ---> B (1,0)
A' =
= (-1,0)
B' =
= (5,1)
pers garis hasil transformasi :
m =
y- b = m (x-a)
y-0 = 1/6 (x-(-1))
y = 1/6 (x+1)
6y = x+1
x - 6y +1 = 0
b. ini sama, silahkan berlatih.