Tentukan persamaan garis lurus yang melalui titik (3,1) dan tegak lurus dengan garis 2y = 6x-12
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Jawaban:
2y = 6x - 12
-6x + 2y - 12
cara cepat
2x + 6y = 2(3) + 6(1)
2x + 6y = 6 + 6
2x + 6y = 12
2x + 6y - 12
correct!