P(x,y) = P(-4,8)
P(a,b) = P(-8,12)
x' = k(x - a) + a
y' = k(y - b) + b
x' = 1/4(-4 + 8) - 8 = -7
y' = 1/4(8 - 12) + 12 = 11
titik (-7,11) : 1
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P(x,y) = P(-4,8)
P(a,b) = P(-8,12)
x' = k(x - a) + a
y' = k(y - b) + b
x' = 1/4(-4 + 8) - 8 = -7
y' = 1/4(8 - 12) + 12 = 11
titik (-7,11) : 1