76. persamaan garis yang melalui titik (2,-4) dan sejajar garis 3x+5y-6=0 adalah.. A. 3x+5y-14=0 B. 3x+5y+14=0 C. 3x-5y+22=0 D. 5x-3y+2=0 63. persamaan garis ya

Kelas 8 Matematika
Bab 3 - Persamaan Garis

62] ax + by = c, sejajar, (p, q)
ax + by - (ap + bq) = 0

3x + 5y - 6y = 0, sejajar, (2, -4)
3x + 5y - (3 . 2 + 5 . (-4)) = 0
3x + 5y - (6 - 20) = 0
3x + 5y - (-14) = 0
3x + 5y + 14 = 0

63] (y - y1)/(y2 - y1) = (x - x1)/(x2 - x1)
(y - 0)/(3 - 0) = (x - 0)/(2 - 0)
y = 3x/2