Persamaan garis yg melalui titik (17,-8) dan sejajar garis y = -2x +9 adalah...
a. 2x+y-18=0
b. 2x+y-26=0
c. 2x-y-42 =0
d.x-2y-23=0
tolong dunk pake caraa yaa... thanks
a. 2x+y-18=0
b. 2x+y-26=0
c. 2x-y-42 =0
d.x-2y-23=0
tolong dunk pake caraa yaa... thanks
m = -2
y = m (x - x1) + y1
y = -2 (x - 17) - 8
y = -2x + 34 - 8
y = -2x + 26
2x + y - 26 = 0 ( B)