Parts of Parabola (Conic Sections)| Focus | Vertex | Directrix | Latusrectum Math Dot Com

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Parts of parabola including Vertex,Focus,Directrix,Axis of symmetry,Latusrectum and focal chord is explained in this video.

What is Parabola?
Parabola is a set of points in a plane which are at equal distance from fixed point (Focus) and fixed line (Directrix).

Vertex of Parabola:
Point at which parabola makes its sharpest turn or where parabola cuts the axis of symmetry.Vertex of parabola at 00:50

Axis of Symmetry of Parabola:
It is is the line of symmetry of a parabola and divides a parabola into two equal halves that are reflections of each other about the line of symmetry. It intersects a parabola at its vertex and passes through focus.Axis of symmetry at 01:13

Focus of Parabola:
Focus of parabola lies inside the parabola.It is a fixed point from vertex of parabola.Parabola is made up of focus and directrix. It lies on axis of symmetry.Focus of parabola at 01:42

Directrix of Parabola:
Directrix is perpendicular to the axis of symmetry of a parabola and does not touch the parabola.It lies outside the parabola.It is at the same distance from vertex as the focus from the vertex. Directrix of parabola at 02:35

Focal Chord of Parabola:
Focal chord is the line segment whose end points lies on the curve and passes through the focus of parabola.Focal chord at

Latus Rectum of Parabola:
The line segment through a focus of a conic section(focal chord), perpendicular to the major axis, which has both endpoints on the curve.Latusrectum at 05:26

#ConicSectionsParabola,#Parabola,#PartsOfParabola

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