Mohon bantuan nmer 4..

m = p/6

sejajar dengan titik
m1=m2 =p/6
m2 = y1-y2 / x1-x2
p/6 =-5-2p / 2-4
p/6 x -2 = -5-2p
p/-3 = -5-2p
p+2p = -5 +3
3p = -2
p = -2/3

titik potongnya (0,3)