## Video Links 15-4

**Videos:**

This video provides a nice introduction to the conic sections (time: 0:51)

Constructing a parabolic reflector using a satellite dish (time: 10:59)

… See the whole entry

**Videos:**

This video provides a nice introduction to the conic sections (time: 0:51)

Constructing a parabolic reflector using a satellite dish (time: 10:59)

… See the whole entry

Here is a good site for graphing equations of the form “*y* =”.

**http://www.calculator.com/graphing/**

This is a general site for graphing lines, parabolas, and exponentials.

**https://www.desmos.com/calculator**

**[tippy title=”Problems 1-8″]Problems 1-8**

These problems are basically definitions that you need to know for this section. It would be a good idea not only to look them up to answer these questions, but also to study.[/tippy]

**[tippy title=”Problems 9-13″]Problems **… See the whole entry

**[tippy title=”Problems 1-2″]Problems 1-2**

There are many problems throughout the text labeled IN YOUR OWN WORDS. Just relax; do not be afraid to give your opinion. For the most part, these questions do not have “right” or “wrong” answers. You … 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

- Curves by plotting points
- path of a cannonball
- graph an equation
- parabola
- vertex
- standard parabolas

- Exponential curves
- definition
- general shape

This section graphs two important types of curves by plotting points; parabolas and exponentials. … See the whole entry