Writing the equation of a parabola given focus and directrix
4:53
Learning to graph a parabola and determine the vertex focus and directrix
11:46
Cómo encontrar la directriz, el foco y el vértice de una parábola
34:54
Finding The Focus and Directrix of a Parabola - Conic Sections
4:56
Write the equation of a parabola given a vertex and point
13:35
Finding the Equation of Parabola Given the Focus and Directrix, Vertex and Directrix
6:54
Writing the equation of a ellipse given the foci and length of major axis
9:47
Ecuación para la parábola de foco y directriz
7:04