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Texas Instruments
9-12
45 Minutes
Updated on 02/16/2015
Students use matrices to perform dilations centered at the origin of triangles. Students will explore the effect of the scale factor on the size relationship between the preimage and image of a polygon.
Students explore the relationship between the preimage and image under a dilation centered at zero.
Students will use matrix multiplication to perform a dilation and determine the vertex coordinates of the image.