Respuesta :

ghanami
Hello ;

 A line contains the point (0,0) : y=ax         a is aslope
a = (yb -yO)/(xb -xO)               B(1;4)    O(0;0)
 a = (4-0)/(1-0)=4
all the equations that represent this line is :  y = 4x    or  y-4x = 0