1: Exploring Reflections (y-axis)

While the letter F is reflected here, the lesson being shown applies to all reflections. check each box separately/together to learn how the coordinates relate the mirron (the y-axis here for ease of learning.
[url=http://www.maa.org/sites/default/files/images/upload_library/47/Crowe/GeoGebra_Activity_1.html[/url] by Cheryll E. Crowe, Eastern Kentucky University

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