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ALEX Classroom Resources  
   View Standards     Standard(s): [MA2015] PRE (9-12) 14 :
14 ) (+) Represent a system of linear equations as a single matrix equation in a vector variable. [A-REI8]

[MA2015] AL2 (9-12) 26 :
26 ) (+) Find the inverse of a matrix if it exists and use it to solve systems of linear equations (using technology for matrices of demensions 3 x 3 or greater). [A-REI9]

[MA2015] AL2 (9-12) 11 :
11 ) (+) Understand that the zero and identity matrices play a role in matrix addition and multiplication similar to the role of 0 and 1 in the real numbers. The determinant of a square matrix is nonzero if and only if the matrix has a multiplicative inverse. [N-VM10]

[MA2015] ALT (9-12) 11 :
11 ) (+) Understand that the zero and identity matrices play a role in matrix addition and multiplication similar to the role of 0 and 1 in the real numbers. The determinant of a square matrix is nonzero if and only if the matrix has a multiplicative inverse. [N-VM10]

[MA2015] ALT (9-12) 26 :
26 ) (+) Find the inverse of a matrix if it exists and use it to solve systems of linear equations (using technology for matrices of dimension 3 x 3 or greater). [A-REI9] (Alabama)

Subject: Mathematics (9 - 12)
Title: Precalculus and Advanced Topics Module 2, Topic C: Systems of Linear Equations
URL: https://www.engageny.org/resource/precalculus-and-advanced-topics-module-2-topic-c-overview
Description:

Module 2, Topic C provides a third context for the appearance of matrices via the study of systems of linear equations. Students see that a system of linear equations can be represented as a single matrix equation in a vector variable and can be solved with the aid of the multiplicative inverse to a matrix if it exists.

Note: This module is identified as Precalculus and Advanced Topics in the EngageNY curriculum. It also corresponds to the Algebra II and Algebra II with Trigonometry Alabama Course of Study.



ALEX Classroom Resources: 1

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