Persamaan garis melalui titik (-2, 5) dan sejajar garis x - 3y + 2 = 0 adalah...? a. x + 3y = -17 b. x - 3y = -17 c. 3x + y = 17 d. 3x - y = 17 Tolong pakai caranya ya...!
ichwanhandi
X-3y+2=0 x+2 = 3y y = 1/3 X + 2/3 jadi m = 1/3 kesejajaran, m1 = m2 = 1/3 y-y1 = m2 (x-x1) y - 5 = 1/3 ( x - (-2)) 3 ( y - 5 ) = ( x + 2 ) 3y - 15 = x + 2 x - 3y = -17
x+2 = 3y
y = 1/3 X + 2/3
jadi m = 1/3
kesejajaran,
m1 = m2 = 1/3
y-y1 = m2 (x-x1)
y - 5 = 1/3 ( x - (-2))
3 ( y - 5 ) = ( x + 2 )
3y - 15 = x + 2
x - 3y = -17