Sum, difference or equal

Exercise and reference answers

Items

1. Category

   Ellipse

   Item

   Sum of distances

2. Category

   Ellipse

   Item

   Two foci, added

3. Category

   Hyperbola

   Item

   Their difference

4. Category

   Hyperbola

   Item

   Two foci, gap

5. Category

   Parabola

   Item

   Line and a point

6. Category

   Parabola

   Item

   Equal distances

Categories

1. Ellipse
2. Hyperbola
3. Parabola

Instructions

Send each definition down the chute of the curve it defines.

Explanation