Equation of Circle Worksheet (pdf)

Objective

Students will explore the equation of a circle. Specifically, students will practice writing the equation of a circle from a graph as well as graphing a circle given its equation.

Example Questions

1) Identify the coordinates of the center and the length of the radius in the circle below
(X − 5)2 + ( y+ 2) 2 = 4
radius:
Center: (___, _____)

2) Graph a circle centered at (5,1) with a radius of 5

3) What is the equation of the circle pictured below

Download this web page as a pdf with answer key

Visual Aides

Picture of standard form equation of circle

Other Details

This is a 3 part worksheet:

  • Part I Model Problems
  • Part II Practice Problems
  • Part III Homework. Mixed questions involving the equation of a circle.

Resources

Download this web page as a pdf with answer key

Ultimate Math Solver (Free)

Free Algebra Solver ... type anything in there!