Application: This property can be used to determine the direction of the axis of a parabola, if two points and their tangents are given. An alternative way is to determine the midpoints of two parallel chords, see section on parallel chords.
application this property can be used to determine the direction of the axis of a parabola if two points and their tangents are given an alternative way is to determine the midpoints of two parallel chords see section on parallel chords