# Systems of Equations and Matrices

Section 3.1 – 3.4 are adapted from *Business Precalculus *© David Lippman 2016. Licensed by Creative Commons CC-BY-SA

Section 3.5 is `adapted from `

*OpenStax College Algebra* by Jay Abramson, Arizona State University, et. al. under a Creative Commons License 4.0 CC-BY