# Explore basic graph concepts and understand them better

By Murray Bourne, 28 Nov 2011

The basic concepts in plane geometry (like distance and slope) are vital for understanding later math topics (like calculus).

Many students get get confused with the formulas used in this topic.

I recently updated the introductory pages in the Plane Analytic Geometry chapter in IntMath. Each one now has an **interactive graph** that helps you to understand how the formula works.

Check them out:

Please tell me what you think of the interactive JSXGraphs on those pages. Any improvements you can suggest?

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