Question

Persamaan garis yang melalui titik (4,-1) dan sejajar garis 2x-10y=3 adalah...
A. Y= 1/5x-1/5
B. Y= 1/5x+1/5
C. Y= 1/5x-9/5
D. Y= 1/5x+9/5

Tolong dengan penjelasan yaaa

Answer 1

Verified answer

Bab Persamaan Garis
Matematika SMP Kelas VIII

ax + by = c, sejajar, (p, q)
ax + by = ap + bq

2x - 10y = 3, sejajar, (4, -1)
2x - 10y = 2 . 4 - 10 . (-1)
2x - 10y = 8 + 10
2x - 10y = 18
10y = 2x - 18
y = (2x - 18)/10
y = (2/10) x - (18/10)
y = (1/5) x - (9/5)

Jawabannya C