Education Technology


WA: Equation of a Circle
by Frank Moya

Objectives

ACMNA267 - Describe, interpret and sketch parabolas, hyperbolas, circles and exponential functions and their transformations

Vocabulary

  • Circle
  • Equation
  • Translation
  • Dilation

About the Lesson

In this activity, students explore the general equation of a circle with centre (h, k) and radius r. For the first part of the activity, students adjust the radius of the circle and drag a point around the circle to capture the coordinates. In the second part of the activity, students translate the circle using sliders for h and k to view how the equation changes.