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22 Cards in this Set

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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

Co-vertices 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


(x-h)squared + (y-k) 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