Conic Sections, Ellipse : Find the Equation Given the Foci and Intercepts.
In this example, we are given an ellipse is centered at the origin, the foci of the ellipse and intercepts along the minor axis. We then find the equation of the ellipse using this information.

1. Parabolas, Part 1
2. Parabolas, Part 2 (Directrix and Focus)
3. Parabolas, Part 3 (Focus and Directrix)
4. Parabolas, Part 4 (Focus and Directrix)
5. Parabola: Find the Focus and Directrix
6. Parabola: Sketch Graph by Finding Focus, Directrix, Points
7. Parabola: Find Equation of Parabola Given the Focus
8. Parabola: Find Equation of Parabola Given Directrix
9. Parabola, Shifted: Find Equation Given Vertex and Focus
10. Hyperbolas, An Introduction - Graphing Example
11. Finding the Equation for a Hyperbola Given the Graph - Example 1
12. Finding the Equation for a Hyperbola Given the Graph - Example 2
13. Hyperbola: Graphing a Hyperbola
14. Hyperbola: Find Equation Given Foci and Vertices
15. Hyperbola: Find Equation Gvien Focus, Transverse Axis Length
16. Hyperbola: Find Equation Given Vertices and Asymptotes
17. Hyperbola: Word Problem , Finding an Equation
18. Hyperbola, Shifted: Find Asymptotes
19. Conic Sections, Hyperbola, Shifted: Sketch the Graph
20. Conic Sections: Graphing Ellipses (Part 1)
21. Conic Sections: Graphing Ellipses (Part 2)
22. Ellipse: Graph the Ellipse
23. Find Equation of an Ellipse Given Major / Minor Axis Length
24. Ellipse: Find the Equation Given the Foci and Intercepts
25. Ellipse: Find Equation given Foci and Minor Axis Length
26. Ellipse: Find X and Y Intercepts
27. Ellipse: Find the Foci of an Ellipse
28. Ellipse: Find the Foci Given Eccentricity and Vertices
29. Ellipse: Find Equation Given Eccentricity and Vertices
30. Hyperbola: Find Equation Given Foci and Vertices
31. Conic Sections, Ellipse, Shifted: Sketch Graph Given Equation
32. The Center-Radius Form for a Circle - A few Basic Questions, Example 1
33. The Center-Radius Form for a Circle - A few Basic Questions, Example 2
34. Finding the Center-Radius Form of a Circle by Completing the Square - Example 1
35. Finding the Center-Radius Form of a Circle by Completing the Square - Example 2
36. Finding the Center-Radius Form of a Circle by Completing the Square - Example 3
37. Identifying a Conic from an Equation by Completing the Square, Ex 1
38. Identifying a Conic from an Equation by Completing the Square, Ex 2
39. Identifying a Conic from an Equation by Completing the Square, Ex 3

This series of 39 short video lessons on Conic Sections covers topics such as: Parabolas, hyperbolas, ellipses and circles, plus how to identify a conic by completing the square.