## Algebra 2 Common Core

Published by Prentice Hall

# Chapter 3 - Linear Systems - 3-6 Solving Systems Using Matrices - Practice and Problem-Solving Exercises - Page 179: 11

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#### Work Step by Step

An element of a matrix is represented by the name of the matrix, the row number, and column number. In this case, $a_{31}$ would be row $3$ column $1$ in matrix $A$

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