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U4 L3 Equations with Matrices and Review.notebook 1 October 30, 2017 Oct 308:49 AM DO NOW! #14 from the worksheet = [ ] Oct 308:52 AM

U4 L3 Equations with Matrices and Review.notebook...U4 L3 Equations with Matrices and Review.notebook 3 October 30, 2017 Oct 30 8:45 AM Matrices are = if and only if they have the

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Page 1: U4 L3 Equations with Matrices and Review.notebook...U4 L3 Equations with Matrices and Review.notebook 3 October 30, 2017 Oct 30 8:45 AM Matrices are = if and only if they have the

U4 L3 Equations with Matrices and Review.notebook

1

October 30, 2017

Oct 30­8:49 AM

DO NOW!  #14 from the worksheet

= [                          ]

Oct 30­8:52 AM

Page 2: U4 L3 Equations with Matrices and Review.notebook...U4 L3 Equations with Matrices and Review.notebook 3 October 30, 2017 Oct 30 8:45 AM Matrices are = if and only if they have the

U4 L3 Equations with Matrices and Review.notebook

2

October 30, 2017

Oct 30­8:52 AM

Oct 30­8:51 AM

Page 3: U4 L3 Equations with Matrices and Review.notebook...U4 L3 Equations with Matrices and Review.notebook 3 October 30, 2017 Oct 30 8:45 AM Matrices are = if and only if they have the

U4 L3 Equations with Matrices and Review.notebook

3

October 30, 2017

Oct 30­8:45 AM

Matrices are = if and only if they have the same dimensions and same elements

U4 L3 Equations with Matrices and Review 

[     2x+7         y­1      ] [5

=139z­3]

Example: Solve for the variables.

Oct 30­8:47 AM

Worksheet!#21, 22 & 24

Page 4: U4 L3 Equations with Matrices and Review.notebook...U4 L3 Equations with Matrices and Review.notebook 3 October 30, 2017 Oct 30 8:45 AM Matrices are = if and only if they have the

U4 L3 Equations with Matrices and Review.notebook

4

October 30, 2017

Oct 30­8:50 AM

Review:  In order to add/subtract matrices they have to have the SAME ORDER!

Page 5: U4 L3 Equations with Matrices and Review.notebook...U4 L3 Equations with Matrices and Review.notebook 3 October 30, 2017 Oct 30 8:45 AM Matrices are = if and only if they have the

U4 L3 Equations with Matrices and Review.notebook

5

October 30, 2017

Page 6: U4 L3 Equations with Matrices and Review.notebook...U4 L3 Equations with Matrices and Review.notebook 3 October 30, 2017 Oct 30 8:45 AM Matrices are = if and only if they have the

U4 L3 Equations with Matrices and Review.notebook

6

October 30, 2017