Learning Outcomes
- Multiply matrices.
- Determine if a matrix is invertible, and if so, compute its inverse.
- Invert an appropriate matrix to solve a system of linear equations.
- Express row operations through matrix multiplication.
Chapter 4 Matrices (MX)
Readiness Assurance.
Before beginning this chapter, you should be able to...
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Compose functions of real numbers.
- Review: Khan Academy
1
www.khanacademy.org/math/precalculus/composite/composing/v/function-composition
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Identify the domain and codomain of linear transformations.
- Review: YouTube
2
www.youtube.com/watch?v=BQMyeQOLvpg
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Find the matrix corresponding to a linear transformation and compute the image of a vector given a standard matrix.
- Review: Section 3.2
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Determine if a linear transformation is injective and/or surjective.
- Review: Section 3.4
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Interpret the ideas of injectivity and surjectivity in multiple ways.
- Review: YouTube
3
www.youtube.com/watch?v=WpUv72Y6Dl0
