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Instructional Video

Khan Academy: Linear Algebra: Inverting Matrices (Part 2)

Curated by ACT

Video example of finding the inverse of a 3 by 3 matrix. Includes using expansion by minors to determine the determinant and finding the matrix of cofactors and adjugate or adjoint matrix. This video also appears in the strand Algebra: Matrices. [16:14]

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CCSS: Adaptable
Concepts
inverse matrices, inverse, inverses
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Additional Tags
adjoint, adjugate, cofactor, cofactor expansion, expansion by minors, matrix of cofactors, matrix of minors, transpose, khan academy, khan academy math, determinant, inverse matrix
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Resource Details
Grade
9th - 10th
Subjects
Math
2 more...
Resource Type
Instructional Videos
Audiences
For Administrator Use
2 more...
Lexile Measures
0L
Common Core
HSN-VM.C.10 HSN-VM.C.12