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melalui titik (x₁, y₁) = (-3, -14)
gradien m = 2
y - y₁ = m (x - x₁)
y + 14 = 2 (x + 3)
y + 14 = 2x + 6
y= 2x-8
Titik potong grafik pada sumbu x → y = 0
y = 2x - 8
= 2x - 8
8 = 2x
8/2= x
x = 4
=(4, 0)
maaf jika salah