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m = -a : b
m = -3 : -2
m = 3/2
Persamaan garis sejajar :
y = 3/2x - ( 3/2 × -2 - 5 )
y = 3/2x + 8
2y = 3x + 16
3x - 2y + 16 = 0
3x - 2y = 6
m₁ = -a/b
= -3/-2
= 3/2
m₁ = m₂
3/2 = m₂
y - y₁ = m(x - x₁)
y - 5 = 3/2(x - (-2))
y - 5 = 3/2(x + 2)
y - 5 = 3/2x + 3
2y - 10 = 3x + 6
2y = 3x + 6 + 10
2y = 3x + 16