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 interesting surname is of Anglo-Saxon origin, from Dayman, an Olde English pre 7th Century personal and occupational name. The first element day derives from deye a keeper of livestock. In a 1363 statute we find enumerated cow-herds, shepherds, swine-herds, dyes and all other keepers of livestock.