Instructional Video
Khan Academy

Khan Academy: Algebra: Foci of a Hyperbola

9th - 10th Standards
The video tutorial examines the hyperbola. Students learn how to calculate the foci of a hyperbola. The resource consists of examples with detailed explanations. [15:24]
Instructional Video
Khan Academy

Khan Academy: Algebra: Foci of an Ellipse

9th - 10th Standards
The video tutorial examines the ellipse. Students learn how to calculate the foci of an ellipse. The resource consists of examples with detailed explanations. [13:49]
Instructional Video
Khan Academy

Khan Academy: Ellipses: Foci of an Ellipse

9th - 10th Standards
Calculating the foci (or focuses) of an Ellipse.
Instructional Video
PatrickJMT

Patrick Jmt: Conic Sections: Hyperbolas an Introduction

9th - 10th Standards
Video tutorial uses examples to illustrate how to find the vertices and foci for a hyperbola. [3:56]
Instructional Video
Sophia Learning

Sophia: Ellipse: Lesson 3

9th - 10th
During this lesson, the fact that an ellipse is the set of all points, the sum of whose distance from two fixed points is a constant is discussed. It is 3 of 6 in the series titled "Ellipse."
Instructional Video
Sophia Learning

Sophia: Ellipse: Lesson 4

9th - 10th
During this lesson, the fact that an ellipse is the set of all points, the sum of whose distance from two fixed points is a constant is discussed. It is 4 of 6 in the series titled "Ellipse."
Instructional Video
Sophia Learning

Sophia: Converting the Equation of an Ellipse to Center Format: Lesson 2

9th - 10th
The steps for converting the equation of an ellipse to a particular format, know as center format, are show here. This lesson [2:38] is 2 of 7 in the series titled "Converting the Equation of an Ellipse to Center Format."
Instructional Video
Sophia Learning

Sophia: Converting the Equation of an Ellipse to Center Format: Lesson 3

9th - 10th
The steps for converting the equation of an ellipse to a particular format, know as center format, are show here. This lesson [3:21] is 3 of 7 in the series titled "Converting the Equation of an Ellipse to Center Format."
Instructional Video
Sophia Learning

Sophia: Converting the Equation of an Ellipse to Center Format: Lesson 5

9th - 10th
The steps for converting the equation of an ellipse to a particular format, know as center format, are show here. This lesson [4:02] is 5 of 7 in the series titled "Converting the Equation of an Ellipse to Center Format."
Instructional Video
Sophia Learning

Sophia: Converting the Equation of an Ellipse to Center Format: Lesson 6

9th - 10th
The steps for converting the equation of an ellipse to a particular format, know as center format, are show here. This lesson [4:09] is 6 of 7 in the series titled "Converting the Equation of an Ellipse to Center Format."
Instructional Video
Sophia Learning

Sophia: Converting the Equation of an Ellipse to Center Format: Lesson 1

9th - 10th
The steps for converting the equation of an ellipse to a particular format, know as center format, are show here. This lesson [3:32] is 1 of 7 in the series titled "Converting the Equation of an Ellipse to Center Format."
Instructional Video
Sophia Learning

Sophia: Ellipse: Lesson 1

9th - 10th
During this lesson, the fact that an ellipse is the set of all points, the sum of whose distance from two fixed points is a constant is discussed. It is 1 of 6 in the series titled "Ellipse."
Instructional Video
Sophia Learning

Sophia: Ellipse

9th - 10th
During this lesson, the fact that an ellipse is the set of all points, the sum of whose distance from two fixed points is a constant is discussed.