## Homework Hints 15-4

### Note: Homework Hints are given only for the Level 1 and Level 2 problems.

However, as you go through the book be sure you look at all the examples in the text. If you need hints for the Level 3 … See the whole entry

However, as you go through the book be sure you look at all the examples in the text. If you need hints for the Level 3 … See the whole entry

- Introduction
- definition
- model

- Geometric definition of conic sections
- parabola
- focus
- directrix
- axis
- vertex

- ellipse
- foci
- major axis
- center
- minor axis

- circle
- center
- radius

- hyperbola
- transverse axis
- center
- conjugate axis

- parabola
- Algebraic definition of conic sections
- general form
- first-degree equation

- general form