### Example Questions

1) What is the distance between points C(-2, 3) and D(0, 5)?

2) The point (-2, -1) lies on a circle. What is the length of the radius of this circle if the center is located at (0, 4)?

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Students will explore the distance formula and its application to the radius of circles.

1) What is the distance between points C(-2, 3) and D(0, 5)?

2) The point (-2, -1) lies on a circle. What is the length of the radius of this circle if the center is located at (0, 4)?

This is a 4 part worksheet:

**Part I**Model Problems.**Part II**Practice Problems**Part III**Practice Problems with Circles**Part IV**Mixed Problems

- Video Tutorial (You Tube Style) on How to Calculate Distance Between 2 Points.
- Interative Distance Formula Explore the Distance Formula by Clicking and Dragging Two Points.
- Pictures of the Distance Formula
- Distance Formula Calculator