Point on a Hyperbola Small 320×155 Medium 640×310 Large 1024×495 Download Tiff Original 2400×1161 | (135.1 KB) Description Illustration of a point on a hyperbola. "If d denotes the abscissa (x-coordinate) of a point of an hyperbola, r and r' its focal radii, then r = ed - a, and r' = ed + a." Keywords abscissa, conic sections, focal radii, foci, focus, hyperbola, hyperbolas, point, section, x-coordinate Galleries Conic Sections: Hyperbolas Source: G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 450
