Видео ютуба по тегу Directrix

Focus and directrix introduction | Conic sections | Algebra II | Khan Academy
Focus and directrix introduction | Conic sections | Algebra II | Khan Academy
Parabola focus and directrix
Parabola focus and directrix
Visualizing Maths #6 | Focus-Directrix Property of Parabola | Math Animation | Conic Sections
Visualizing Maths #6 | Focus-Directrix Property of Parabola | Math Animation | Conic Sections
Focus Directrix Parabola Construction
Focus Directrix Parabola Construction
Parabolas - Conic Sections ( Vertex, Directrix and Equations) All You Need To Know
Parabolas - Conic Sections ( Vertex, Directrix and Equations) All You Need To Know
What Is A Directrix Of A Conic? - Science Through Time
What Is A Directrix Of A Conic? - Science Through Time
What Are The Focus And Directrix Of An Algebra Parabola? - Your Algebra Coach
What Are The Focus And Directrix Of An Algebra Parabola? - Your Algebra Coach
Focus on the Directrix!
Focus on the Directrix!
Focus and Directrix of a Parabola L
Focus and Directrix of a Parabola L
Lecture 20: Hyperbola by Focus & Directrix and Foci & Vertices Method |Conics|Engineering Curves#egd
Lecture 20: Hyperbola by Focus & Directrix and Foci & Vertices Method |Conics|Engineering Curves#egd
Conic Sections, Parabola : Find the Focus and Directrix
Conic Sections, Parabola : Find the Focus and Directrix
Focus and Directrix of the Parabola
Focus and Directrix of the Parabola
Write Equation of a Parabola Given its Focus and Directrix (Horizontal Axis)
Write Equation of a Parabola Given its Focus and Directrix (Horizontal Axis)