Matrices for Rotation & Reflection 🔄

Quick tips for remembering the matrices that rotate and reflect in this free math video tutorial by Mario's Math Tutoring. We go through reflecting over the x-axis, y-axis, y=x, Rotation 90, Rotation 180, and Rotation 270.

Timestamps:
00:00 Intro
0:24 Technique for Remembering the Rotation Matrices
0:53 Definition of the Identity Matrix
1:19 Rotation 90 Degrees
1:49 Rotation 180 Degrees
2:12 Rotation 270 Degrees
2:25 Reflection Over x Axis
2:40 Reflection Over y Axis
2:55 Reflection Over Line y=x
3:07 Reflecting (3,1) Over y=x

Related Videos:

Coordinate Rules for Rotating and Reflecting (Not Matrices)
https://youtu.be/zyHyhf78T4Y

My Video Playlist of More Matrices Videos
https://www.youtube.com/playlist?list=PLHRatQsym1_h8QT2pXuCs-Q2GdJGKjPnU

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http://www.mariosmathtutoring.com/free-math-videos.html

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