Instructional Video
Khan Academy

Khan Academy: Pre Calculus: Polar Coordinates 2

9th - 10th
The sequel to Polar Coordinates 1 from the Khan Academy, this segment goes through some examples on converting polar coordinates to rectangular coordinates and converting a Cartesian equation to a polar equation. Graphing is also used to...
Instructional Video
Khan Academy

Khan Academy: Hyperbolas: Proof: Hyperbola Foci

9th - 10th Standards
Proof of the hyperbola foci formula
Instructional Video
Khan Academy

Khan Academy: Hyperbolas: Conic Sections: Intro to Hyperbolas

9th - 10th Standards
Students can watch a video to explore hyperbolas.
Instructional Video
Khan Academy

Khan Academy: Polar Coordinates: Polar Coordinates 1

9th - 10th Standards
A video explaining the relationship between rectangular (Cartesian) coordinates and polar coordinates.
Instructional Video
Sophia Learning

Sophia: Width in Parabolas

9th - 10th Standards
In this lesson the width of the graph of parabola and its relationship to the equation of the parabola are discussed.