Classroom Resources (1) |

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**Standard(s): **
[MA2015] AL2 (9-12) 7 :

[MA2015] AL2 (9-12) 8 :

[MA2015] AL2 (9-12) 9 :

[MA2015] ALT (9-12) 7 :

[MA2015] ALT (9-12) 8 :

[MA2015] ALT (9-12) 9 :

7 ) (+) Use matrices to represent and manipulate data, e.g., to represent payoffs or incidence relationships in a network. *(Use technology to approximate roots.)* [N-VM6] (Alabama)

[MA2015] AL2 (9-12) 8 :

8 ) (+) Multiply matrices by scalars to produce new matrices, e.g., as when all of the payoffs in a game are doubled. [N-VM7]

[MA2015] AL2 (9-12) 9 :

9 ) (+) Add, subtract, and multiply matrices of appropriate dimensions. [N-VM8]

[MA2015] ALT (9-12) 7 :

7 ) (+) Use matrices to represent and manipulate data, e.g., to represent payoffs or incidence relationships in a network. *(Use technology to approximate roots.)* [N-VM6] (Alabama)

[MA2015] ALT (9-12) 8 :

8 ) (+) Multiply matrices by scalars to produce new matrices, e.g., as when all of the payoffs in a game are doubled. [N-VM7]

[MA2015] ALT (9-12) 9 :

9 ) (+) Add, subtract, and multiply matrices of appropriate dimensions. [N-VM8]

In Module 2, Topic A, students look at incidence relationships in networks and encode information about them via high-dimensional matrices. Questions on counting routes, the results of combining networks, payoffs, and other applications, provide context and use for matrix manipulations: matrix addition and subtraction, matrix product, and multiplication of matrices by scalars.

**Note: Although this module is identified as Precalculus and Advanced Topics in the EngageNY curriculum, it corresponds to the Algebra II and Algebra II with Trigonometry Alabama Courses of Study.**