Видео с ютуба Directrix Of Parabola

Парабола: найти вершину, фокус, директрису и график

Finding The Focus and Directrix of a Parabola - Conic Sections

Focus and directrix introduction | Conic sections | Algebra II | Khan Academy

Focus and Directrix of a Parabola 2

How to find the focus and directrix of a parabola

Фокус и директриса параболы

Visualizing Maths #6 | Focus-Directrix Property of Parabola | Math Animation | Conic Sections

Pre Calculus - Graph of Parabola | Finding Vertex, Focus, Directrix and Axis of Symmetry of Parabola

Writing the equation of a parabola given focus and directrix

How to Find the Equation of a Parabola with Focus (-1, 2) and Directrix x = -5

Parabolas Explained! (Graphing, Vertex, Focus, Directrix & Completing the Square)

Finding Equation of Parabola Given Vertex and Directrix

Conic Sections: Find Vertex, Focus, and Directrix of a Parabola Example 1

Equation of the Parabola with Vertex (0,0) and Directrix x = -4

Identify the vertex, focus and directrix of a parabola

What is the focus and directrix of a vertical parabola

What is the Focus and Directrix of a Parabola?

13 - Conic Sections: Parabola, Focus, Directrix, Vertex & Graphing - Part 1

How to find the directrix, focus and vertex of a parabola