Note: This chapter deals with sets of linear equations

Steps to Solving a System by Graphing. 1. Graph each line using methods from chapter three ... A determinant of a square matrix is a real number. For a 1x1 it is the only entry. For a 2x2 it is the product of the primary diagonal minus the product of the secondary diagonal. ... Example: Solve using your calculator 3x ( 2y = 0. 2x + y = -7. 1 ... ................
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