Algebra II
Activity:
Dilations with Matrices
Posted on Nov 6, 2008
Topic: Dilations
In this activity, students will 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.
Downloads
Select Teacher or Student files from the drop down menu. Click on the file type you want to download.
Downloaded: 4120
Activity Key Steps:
In this activity, 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.