Conic sections bingo

Exercise and reference answers

Clues and terms

1. Clue

   The two parts the vertex divides a cone into.

   Item

   Nappes

2. Clue

   Points all at a fixed distance from one fixed point.

   Item

   Circle

3. Clue

   Points equally far from a fixed line and a fixed point.

   Item

   Parabola

4. Clue

   Points where the distances to two foci add to a constant.

   Item

   Ellipse

5. Clue

   Points where those two distances differ by a constant.

   Item

   Hyperbola

6. Clue

   The fixed line a parabola is measured against.

   Item

   Directrix

7. Clue

   Ratio of centre to focus against centre to vertex.

   Item

   Eccentricity

8. Clue

   The axis of a hyperbola that runs through its foci.

   Item

   Transverse

9. Clue

   Who gave the names parabola and hyperbola.

   Item

   Apollonius

Instructions

Read each clue and tap the term it describes.

Explanation