âVerticesâ are the points on the two arms which are closest; whereas the line segment which connects the arms is called the âmajor axis.â. In a parabola, the two arms of the curve, also called branches, become parallel to each other. In a hyperbola, the two arms or curves do not become parallel. A hyperbolaâs center is the midpoint of the major axis. Hyperbola is given by the equation XY=1. When the difference of distances between a set of points present in a plane to two fixed foci or points is a positive constant, it is called a hyperbola.
For other uses, see Henderson. Henderson is a common Scottish surname. The name is derived from patronymic form of the name Hendry, which is a Scottish form of Henry. Some Hendersons also derive their name from Henryson.The surname Henderson is borne by numerous unrelated families in Scotland.For example, the Hendersons of Fordell, in Fife, were the chief Lowland family of the name. This family descended from a family of Henrysons, from Dumfriesshire.ome Hendersons also derive their name from Henryson. The surname Henderson is borne by numerous unrelated families in Scotland. For example, the Hendersons of Fordell, in Fife, were the chief Lowland family of the name.
This seems to have been imported from Wales, but probably derives ultimately from Caunton in Nottinghamshire, which is named with the Old English personal name Caluno{dh} (composed of the elements calu âbaldâ + no{dh} âdaringâ) + Old English tun âenclosureâ, âsettlementâ.