Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Equations of Circles: 4 Open Middle Versions
    1. Equations of Circles (V1): Open Middle Problem
    2. Equations of Circles (V2): Open Middle Problem
    3. Equations of Circles (V3): Open Middle Problem
    4. Equations of Circles (V4): Open Middle Problem

Equations of Circles: 4 Open Middle Versions

Author:Tim Brzezinski
Topic:Circle, Conic Sections, Equations
Four Variants of Robert Kaplinsky's Open Middle Equation-of-a-Circle Problem

  • Equations of Circles (V1): Open Middle Problem

  • Equations of Circles (V2): Open Middle Problem

  • Equations of Circles (V3): Open Middle Problem

  • Equations of Circles (V4): Open Middle Problem

Next
Equations of Circles (V1): Open Middle Problem

New Resources

  • Identify Opposite, Adjacent, Hypotenuse
  • seo tool
  • Parabola - Write the Equation - Practice
  • Line Through Two Points and Slope
  • Untitled

Discover Resources

  • Amplification (Zachary)
  • piecewise_function_with_sliders_1
  • Modeling Linear Growth (and Systems Introduction)
  • Sim87: Sum of Interior Angles of a Quadrilateral
  • Using a protractor
  • Circumcenter

Discover Topics

  • Geometry
  • Sequences and Series
  • Boxplot
  • Vectors
  • General Quadrilateral
AboutPartnersHelp Centre
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®