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No 26
y = x^2 - 6x + 2 titik (1,3)
m = 2(1)-6
= -4
x1 = 1
y1 = 3
y - y1 = m ( x - x1 )
y - 3 = -4 ( x - 1 )
y - 3 = - 4x + 4
y = -4x + 4 - 3
y = -4x + 1
4x + y - 1 = 0 (A)