Instructional Video2:03
Curated Video

How to Rotate about the Origin

9th - 12th
In this math video we will learn how to rotate about the origin. We are asked to rotate a triangle 90 degrees clockwise about the origin. We will identify one image and correctly place the image on the coordinate plane to represent...
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Exploring the Solution Set of Ax=b

9th - 10th
Video first graphs the transformation image of a specific transformation. Then examines the solution set for a couple particular points in the image. Shows that the solution set is a shifted version of the null space. [16:34]