1 / 10

Algebra 2

Algebra 2. Before: You solved Linear Systems using Cramer’s Rule Now: ___________________________________ __________________________________________ Why ? So you can find how many batches of a recipe to make. Identity matrix.

mary
Télécharger la présentation

Algebra 2

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Algebra 2 Before: You solved Linear Systems using Cramer’s Rule Now:___________________________________ __________________________________________Why? So you can find how many batches of a recipe to make

  2. Identity matrix • Identity Matrix: The n x n identity matrix with 1’s on the _________________________________ and 0’s ________________ • If A is any A x A matrix and I is the n x n identity matrix, then AI = A and IA = A • Ex: 2 x 2 Identity Matrix 3 x 3 Identity Matrix

  3. Inverse: Two n x n matrices A and B are inverses of each other if ________________________________ • That is AB = I and BA = I • The symbol for the inverse of A is A-1

  4. Example 1

  5. Example 2

  6. Example 3

  7. Guided Practice

More Related