M129. Syllabus. Dr. Leisinger, Fall, 2013. Updated 8/31/2013, 12:04 am. NOT FINISHED! Note: other information on the course is found elsewhere. Prerequisites: Completion of Math-115, or a sufficient score on the Mathematics placement test. Assumed for this class: Multiplication facts up to 9x9 Working with fractions (add, subtract, multiply, divide, reduce, converting to and from decimal form) Required for this class: A scientific calculator (Graphing calculators are not allowed) Examples of accepted calculators: Casio fx-260 solar (Available for less than $10 at Office Max) TI-30X. A calculator on your phone is not allowed. Topics covered: Preliminaries How to study for this course Properties of the number systems Natural numbers Whole numbers Integers Rational numbers Real numbers Complex numbers The square root of 2 is irrational Field axioms Working with inequalities Solving linear inequalities Absolute value Solving linear absolute value statements Notations: set notation; graph notation; union-of-interval notation Prime factorization of whole numbers Unique factorization Equations and expressions Order of operations Linear equations: Definition(s) of lines Forms of the linear equation (Standard, slope-intercept, point-slope, two-intercept, two-point) Converting between forms of the linear equation Graphing linear equations [Note: solving systems of linear equations is covered in Math-115, and is assumed in this class] The distance formula Circles Definition of a circle Equation of a circle Graphing a circle Completing the square to change the polynomial form of a circle to its standard form Finding the center and radius of a circle in polynomial form Polynomials Defintion of polynomial Definitions: monomial; term; degree; total degree; coefficient. Factoring polynomials over the integers into prime factors Descending order Common monomial factor Difference of two squares Sum or difference of two like odd powers Factoring trinomials Discriminant and its uses Factoring using the quadratic formula Factoring by grouping Polynomials reducible to quadratic Factor theorem; Rational Root theorem Factoring 3rd and 4th degree polynomials Factoring polynomials of two or more variables (some cases) Polynomial rings (definition and explanation) (unique factorization in the polynomial ring) Exponents Definition Laws of exponents Negative exponents Fractional exponents and radicals Functions and Relations What is a function? What is a relation? A function and its graph Vertical line test for a function Domain, Range, and Image for a function Function with domain specified Finding the domain of a function when the domain is not specified Making new functions from old: Shifting Mirroring on the x and y axis Even and Odd functions Definitions Examples Stretching and shrinking Combining functions by adding, subtracting, multiplying, dividing Function composition Function inverse Finding the function inverse by the "verbal string" method Finding the function inverse algebraically Testing a function inverse Quadratic functions (a review) Polynomial form of the quadratic function Calculating the discriminant Using the discriminant Standard Form (or Vertex Form) of the quadratic function Finding roots of a quadratic function in polynomial form (a) by factoring (b) by the Quadratic Formula Graphing a quadratic function in Polynomial form Completing the square to transform Polynomial form to the Vertex form Finding roots from the Vertex form Graphing the vertex form Understanding the vertex form as a shifted/stretched form of y=x^2 Radical Equations Fractional Equations Exponential functions Definition Graphing exponential functions Growth and decay for exponential functions Exponential Equations Logarithmic functions The logarithm as the inverse of the exponential A logarithm is an exponent Properties of logarithms: know and use Change of Base formula <<<< Properties of logarithms: prove the properties Graphing logarithmic functions Shifting and mirroring a logarithmic function Logarithmic Equations Logs & Exponentials as mathematical Models Financial applications: Compound Interest Amortization Sinking Funds Systems of linear equations in 2 (or more) variables Solution methods: Substitution Gaussian Elimination Graphing Cramer's Rule (Method of Determinants) Matrix Inverse (2x2 case) Graphing systems of linear inequalities Linear Programming The Feasable region The Cost (or Objective) function Minimax The vertex method Level lines Using level lines to limit the search for a solution =========== Review for Final Exam =========== Types of equations we can solve: Linear Equations Polynomial Equations (by factoring) Quadratic Equations (two methods) Equations reducible to Quadratic Exponential Equations Radical Equations Fractional Equations Logarithmic Equations Relations and Function (definition, identifying) Operations on functions: +-x/; shift,mirror,stretch/shrink Function Composition Inverse Functions Calculating the inverse of a function (two methods) Exponentials and Logarithms Inverses of each other Graphing both Laws of exponents Laws of logarithms Change of Base formula Types of equations we can graph: Linear Linear systems Quadratic Rational [IF THERE IS TIME] Exponential Logarithmic