Khan Academy: Algebra: Conic Sections: Iit Jee Circle Hyperbola Common Tangent 1

The first of five videos created to solve an IIT JEE problem concerning a tangent line that is common to both a circle and a hyperbola. In this video the circle and hyperbola are graphed and the instructor shows what the common tangent line may look like and where it could be in relation to both figures. [6:16]