Education Technology

Geometry: Transformations With Lists

by Texas Instruments

Overview

Students use list operations to perform reflections, rotations, translations and dilations on a figure, and graph the resulting image using a scatter plot.

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  • 3

Key Steps

  • Image

    Students use the List Editor to enter values that gives the x- and y-values for a figure that is being rotated and reflected about the y-axis. They enter = –L1 and = –L2 in the formula bar of list 3 to create L3, the opposite of each of the x-values in L1. Then do a similar process for the y-values in L2.