A degenerate conic is a special case of a conic section where the cross-section becomes a point, line, or pair of intersecting lines. For example, a circle with a radius of zero is a point, and a parabola that intersects its focus is a line.
A degenerate conic is a special case of a conic section where the cross-section becomes a point, line, or pair of intersecting lines. For example, a circle with a radius of zero is a point, and a parabola that intersects its focus is a line.