QUICK.
True/False?

A hyperbola is the set of all points in a plane such that the absolute value of the difference of the distances from two fixed points, called the foci, is constant.

Question

QUICK.
True/False?

A hyperbola is the set of all points in a plane such that the absolute value of the difference of the distances from two fixed points, called the foci, is constant.

mathmate · Answer

The definition of a hyperbola is given here: http://mathworld.wolfram.com/Hyperbola.html

ivettef365 · Answer

A hyperbola is the set of all points P in a plane where the
absolute value of the difference between the distances
from P to two fixed points is a constant. The two fixed
points are the foci of the hyperbola.