# Math Help - prove that a point on a given line.

1. ## prove that a point on a given line.

Hi, how do you prove that a point lies on a given line (vector geometry)

2. Originally Posted by ammayi
Hi, how do you prove that a point lies on a given line (vector geometry)
I assume that you know the equation of the line.

If the coordinates of the point satisfy the equation (that means you have to plug in the coordinates into the equation) then the point lies on the line.