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22 Cards in this Set
 Front
 Back
Axis of symmetry 
the line that divides a figure into two parts that are mirror image 

Center of a circle 
the point that is the same distance from every point on the circle 

Center of a hyperbola 
the midpoint between two vertices, which also is the midpoint between two foci 

Center of an ellipse 
the midpoint of the major axis 

Circle 
the set of all points in a plane at a distance r from a given point 

Conic section 
a curve formed by the intersection of a plane and a double cone 

Conjugate Axis 
this axis is perpendicular to the transverse axis at the center length is 2b 

Covertices of an ellipse 
the endpoints of the minor axis 

Directrix 
the fixed line 

Ellipse 
the set of all points P in a plane such that the sum of the distances from P to two fixed points F1 and F2 is a constant k 

Focal Length 
the distance between the vertex and the focus 

Focus of a parabola 
the set of all points P in a plane that are the same distances from a fixed line and a fixed point not on the line. 

Focus of a hyperbola 
the set of all points P in a plane such that the difference of the distances from P to two points is constant 

Hyperbola 
a set of points P in a plane such that the difference between the distances from P to the Foci F1 and F2 is a given constant k 

Major Axis 
the segment that contains the foci of the ellipse and has endpoints on the ellipse 

Radius 
the distance between the center of the circle and any point on the circumference 

Standard Form 
form of an equation of a circle (xh)squared + (yk) squared= r squared 

transverse axis 
the segment that is on the line containing the foci and has endpoints on the hyperbola 

vertices of an ellipse 
the endpoints of the major axis 

vertices of a hyperbola 
the endpoints of the transverse axis


Foci 
the distance between these two points in a hyperbola is 2c 

Asymtotes 
a line the graph approaches 