Question

Which term describes the red curve in the figure below?

A.
Circle
B.
Ellipse
C.
Parabola
D.
Hyperbola

Answer 1

D. Hyperbola

Explanation:

A conic is the intersection of a plane and a right circular cone.

Circle

Formed when a cone is intersected by a plane so that the plane is parallel to the circular base.

Ellipse

Formed when a cone is intersected by a plane so that the plane is at an angle with respect to the circular base.

Parabola

Formed when a cone is intersected by a plane so that the plane is parallel to an edge.

Hyperbola

Formed when a double-cone is intersected by a plane so that the plane is perpendicular to the circular bases.

Answer 2

D

Explanation:

A Hyperbola looks like a Parabola and its reflection, each Parabola curving opposite directions.