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Explore teaching strategies to help students succeed on the ACT® math test using TI technology.
Texas Instruments
9-12
45 Minutes
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.