tolong kerjakan no 3 pake cara

Persamaan Garis

Bentuk umum :
ax + by + c = 0
gradien, m = -a/b

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-x + 4y - 8 = 0 ---> m = -(-1)/4 = 1/4 ✓
3x - 2y - 6 = 0 ---> m = -3/(-2) = 3/2 ✓
2x + 5y - 10 = 0 ---> m = -2/5 ✓