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Teacher Resource

Definition of a Locus by Math Open Reference

Course, Subject

Integrated Geometry, Math, Science & Technology

Grade Levels

Commencement, 9th Grade, 10th Grade, 11th Grade

Web-based Resource

Access this resource at: http://www.mathopenref.com/locus.html


This resource illustrates the concept of locus. The page shows a model of the plane populated with a large number of points on a grid. Those points equidistant from a point are highlighted forming a circle. The user can drag the point and drag the distance, showing the circle moving and changing size.

There is a description of the locus concept and links to other loci - a straight line and an ellipse.

The page can be enlarged to full screen size for use with a classroom projector. After use in the classroom, students can access it again from any web browser at home or in the library with no login required.

Content Provider

Math Open Reference: http://www.mathopenref.com/

Math Open Reference encourages users to provide feedback, errors, omissions, and ideas for improvement. Please see the feedback link at the top of the page to offer your suggestions.

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