Instructional Video
Khan Academy

Khan Academy: Algebra: Conic Sections: Conic Identification 3

9th - 10th Standards
A continuation of the Khan Academy video lesson series on identifying conic sections. This segment goes through examples that cover identifying and graphing both a circle and a parabola. [11:34]
Instructional Video
Khan Academy

Khan Academy: Algebra: Conic Sections: Intro to Circles

9th - 10th Standards
A video lesson introducing the standard form for the equation of a circle. Starts out with a circle centered at the origin and then discusses the changes to both the equation and the graph when a circle is centered elsewhere. Illustrates...
Instructional Video
Khan Academy

Khan Academy: Algebra: Conic Sections: Algebra Ii: Circles and Logarithms

9th - 10th
An instructional video in which six example problems are solved. Topics include: changing a conic equation to standard form in order to identify and describe it; using properties of logarithms to simplify expressions and solve equations;...