Untitled Flashcards Set

Circle is the set of all points that

are at the same distance from a

given point in the plane.

Center – fixed point

Radius - a segment whose

endpoints are the center and a point

on the circle.

Diameter – segment whose

endpoints are on the circle.

PARABOLA

is the set of all

points which are

equally spaced

from a fixed line

and a fixed point

AXIS OF SYMMETRY

divides the parabola into two equal parts

FOCUS

fixed point

DIRECTRIX

fixed LINE

CONCAVITY

direction of opening of parabola

VERTEX

turning point of parabola