PRE-CAL
Circle - The circle is a special type of ellipse where the cutting plane is parallel to the base of the cone
Parabola - curves obtained by intersecting a right circular cone with a plane. When the plane cuts the cone parallel to the side of the cone (1 focal point)
Ellipse - when a plane cuts the cone at an angle with the base. (2 focal point)
Hyperbola - (2 focal point)