# Conic Sections: Introduction

- Author:
- Tim Brzezinski

## TO EXPLORE IN AUGMENTED REALITY:

1) Open up GeoGebra 3D app on your device.
2) Go to MENU, OPEN. Under SEARCH, type

**rascu98w**. Note these characters can be found in the URL above.## STUDENTS:

Once you're all set up, please answer the questions located below this applet.

## 1.

**Note the equation of the plane is z = some constant. ****Change the equation of this yellow plane to z = 2.
Then change it to z = 1.
Then change it to z = 4. **
How would you describe the intersection of this **plane **and **double-napped cone**?

## 2.

Change the **equation of the plane** to . How would you describe the intersection of this **plane** and **double-napped cone** now?

## 3.

Change the **equation of the plane** to . How would you describe the intersection of this **plane** and **double-napped cone** now?

## 4.

Change the **equation of the plane** to . How would you describe the intersection of this **plane** and **double-napped cone** now?