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What's on the worksheet
- Let $S:
- The matrices below are turns about the origin, counterclockwise by angles and :
- Let D be the stretch (x, y) (3x,\ 5y) and K the shear (x, y) (x + 3y,\ y).
- Let F be the reflection across the line y = 3x and R the turn about the origin with θ = 45 and θ = 35:
- Let $S:
- Elena's engraving machine places a design on a plate by three moves, done in this order:
- For a number q, let X_q be the shear (x, y) (x + qy,\ y) and Y_q the shear (x, y) (x,\ y + qx), so X_q = \begin{bmatrix} 1 & q \\ 0 & 1…
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Composing transformations as a matrix product: the lesson ›More Chapter 3 worksheets: Matrix algebra and linear transformations
- 3.1Matrix multiplication
- 3.2Linear transformation
- 3.3Finding the matrix of a transformation
- 3.4Composing transformations as a matrix product
- 3.5The transpose and symmetric matrices
- 3.6Finding an inverse by row reducing A next to I
- 3.7Kernel
- 3.8Image
- 3.9Rank and nullity
- 3.10Coordinates in a basis and change of basis