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Verified answer
Persamaan Garis4y - 6x + 10 = 0
m1 = -a/b = -(-6)/4 = 3/2
Syarat tegaklurus : m2 = -1/m1 = -2/3
Persmaan garis dg gradien m = -2/3 dan malalui (x1,y1) = (4,-3) :
y - y1 = m(x - x1)
y - (-3) = -2/3 (x - 4)
Kedua ruas kalikan 3
3(y + 3) = -2(x - 4)
3y + 9 = -2x + 8
Pindahin ke ruas kiri
3y + 2x + 1 = 0 ✔