Jawabanmu

2014-04-04T16:28:41+07:00
M= 1-3 per 1+2 = -2 per 3
diket: a= 1. b= 1
ditanya m=...?
jawab : m= y - 1 = -2/3 ( x -1 )
m = y - 1 = -2/3x + 2/3
m = y = -2/3x + 2/3 + 3/3
m = y = -2/3x + 5/3
3y = -2x + 5
3y + 2x = 5
 jadi, jawabannya = A. 2x + 3y = 5
:-D