4B. Parameters, Vectors, and Matrices

4.9 Vector-valued functions

4.11 The inverse and determinant of a matrix

4.12 Linear transformations and matrices

4.13 Matrices as functions

4.14 Matrices modeling contexts

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AP Precalculus

4.11 The inverse and determinant of a matrix

Outcomes

4.11.A

Determine the inverse of a 2 × 2 matrix.

4.11.B

Apply the value of the determinant to invertibility and vectors.

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