In Exercises 2934, use matrices to solve the system of equations (if possible). Use Gauss-Jordan elimination. 3x y 7z 5x 2y z x y 4z 203482

Chapter 5 Thursday, September 8, 2016 4:02 PM Chapter 5: Exponents & Polynomials 5.1: Adding & Subtracting Polynomials Algebraic Expressions Variable - symbol used to represent a number Constant - a fixed number Algebraic Expression - a collection of constants, variables, operation symbols, and grouping symbols Simplifying Algebraic Expressions Term - a constant, variable, product, or quotient of numbers and variables (numerical part of a term) Like Terms: have the same variables raised to the same exponents Combining Like Terms Distributive Property in Reverse 1 1 2 3 Simplify: remove all grouping symbols and combine all like terms 1