Persamaangaris lurus jika diketahui 2 titik nya, dapat dihitung dengan menggunakan rumus : (y - y1) / (y2 - y1) = (x - x1) / (x2 - x1) Diketahui : titik (2, 3) dan titik (5, 15) x1 = 2; x2 = 5, y1 = 3; y2 = 15 Persamaan garisnya : (y - y1) / (y2 - y1) = (x - x1) / (x2 - x1) (y - 3) / (15 - 3) = (x - 2) / (5 - 2) (y - 3) / 12 = (x - 2) / 3 (
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persamaan garis lurus yang melalui 2 titik
