Respuesta :
Remark
The line is horizontal. That means that the equation is y = something. There is no x value for this. If it goes through M(a,b) then what you are concerned about is b
y = b is the equation of the line you seek.
Remark
The line is horizontal. That means that the equation is y = something. There is no x value for this. If it goes through M(a,b) then what you are concerned about is b
y = b is the equation of the line you seek.