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lesson 21
1 hour

The Hunt for Better Notation


Description

This lesson introduces 2 × 2 matrices and their use for representing linear transformation through multiplication (N-VM.C.11, N-VM.C.12). Matrices provide a third method of representing rotation and dilation of the plane, as well as other linear transformations that students have not yet been exposed to in this module, such as reflection and shearing.

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Credits

From EngageNY.org of the New York State Education Department. Precalculus and Advanced Topics Module 1, Topic C, Lesson 21. Available from engageny.org/resource/precalculus-and-advanced-topics-module-1-topic-c-lesson-21; accessed 2015-05-29.
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