The set of all points, P, in a plane the sum of whose distances from two fixed points, F₁and F₂, is constant.
The midpoint of the segment connecting the foci.
The two points where the lines throught the foci intersects the ellipse/hyperbola.
The line segment that joines the vertices in an ellipse.
The line segment whose endpoints are on the ellipse and that is perpendicular to the major axis at the center.
The two disjointed parts of a hyperbola.
The set of points in a plane the difference of whose distances from two fixed points, called foci, is constant.
The lines segment that joins the vertices in a hyperbola.
In a hyperbola, the number under the variable whose term is preceded by a plus sign (+).
A pair of intersecting straight lines that are approached by the two branches of the graph of a hyperbola.