What two-dimensional curve is formed when a plane intersects the double right circular cone?

What conic section is formed when the plane intersecting the right circular cone is perpendicular to the cone's axis?

Which of the conic sections are unbounded curves when a plane intersects the double right circular cone?

Which of the following is NOT part of the conic section's degenerate cases?

Parabolas are conic sections that are parallel to the generating line of the cone.

All of the following are examples of conic sections EXCEPT:

Which of the following is formed when the plane intersects the right circular cone exactly at its vertex?

Arrange the groups of words to form a sentence about conic sections

What conic section is formed when a plane parallel to the cone's axis intersects the two nappes of the double right circular cone?

What type of degenerate conic is formed when a parabola is moved until it touches the vertex of the cone?