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(-3,2) dan (-2,5)
y -y₁ = x -x₁
y₂ -y₁ x₂ -x₁
y -2 = x -(-3)
5 -2 -2 -(-3)
y -2 = x +3
3 1
1(y -2) = 3(x +3)
y -2 = 3x +9
y = 3x +9 +2
y = 3x +11
Itu persamaannya, gradien = 3. Kalau tegak lurus :
m₁ . m₂ = -1
3 . m₂ = -1
m₂ = -1/3
y2-y1 x2-x1
y-2 = x-(-3)
5-2 -2-(-3)
y-2 = x+3
3 1
1 (y-2) = 3 (x+3)
y-2 = 3x +9
y = 3x +11
m = 3
kalau gc salah gitu, tegak lurusnya aq lupa
maaf kalo ada yang salah