PreCalculus Curriculum Guide Text: Precalculus. 6th Edition, Houghton Mifflin, Larson-Hostetler. Instructional Usage: 1. The text, homework problems, quizzes, tests. 2. Overhead projector, Elmo, computer software, websites specific to chapter information and Youtube demonstrations 3. Usage of a Graphing Calculator Chapter Summary Chapter 1: Functions and Their Graphs 1.1 Graphs of Equations Sketch graphs of equations Find x- and y- intercepts of graphs of equations Use symmetry to sketch graphs of equations Find equations and sketch graphs of circles Use graphs of equations in solving real-life problems 1.2 Linear Equations in Two Variables Use slope to graph linear equations in two variables Find slopes of lines Write linear equations in two variables Use slope to identify parallel and perpendicular lines Use linear equations in two variables to model and solve real-life problems 1.3 Functions Determine whether relations between two variables are functions Use function notation and evaluate functions Find the domains of functions Use functions to model and solve real-life problems Math 136 Ivy Tech – 1st semester 1.4 Analyzing Graphs of Functions Use the Vertical Line Test for functions Find the zeros of functions Determine intervals on which functions are increasing or decreasing Identify even and odd functions 1.5 A Library of Functions Identify and graph linear and squaring functions Identify and graph cubic, square root, and reciprocal functions Identify and graph step and other piecewise-defined functions Recognize graphs of common functions 1.6 Shifting, Reflecting, and Stretching Graphs Use vertical and horizontal shifts to sketch graphs of functions Use reflections to sketch graphs of functions Use nonrigid transformations to sketch graphs of functions 1.7 Combinations of Functions Add, subtract, multiply, and divide functions Find the composition of one function with another function Use combinations of functions to model and solve real-life problems 1.8 Inverse Functions Find inverse functions informally and verify that two functions are inverse functions of each other Use graphs of functions to determine whether functions have inverse functions Use the Horizontal Line Test to determine if functions are one-to-one Find inverse functions algebraically 1.9 Mathematical Modeling Use mathematical models to approximate sets of data points Write mathematical models for direct variation Write mathematical models for direct variation as an nth power Write mathematical models for inverse variation Write mathematical models for joint variation Use the regression feature of a graphing utility to find the equation of a least squares regression line Math 136 Ivy Tech – 1st semester Chapter 2: Polynomial and Rational Functions 2.1 Quadratic Functions Analyze graphs of quadratic functions Write quadratic functions in standard form and use the results to sketch graphs of functions Use quadratic functions to model and solve real-life problems 2.2 Polynomial Functions of Higher Degree Use transformations to sketch graphs of polynomial functions Use the Leading Coefficient Test to determine the end behavior of graphs of polynomial functions Use zeros of polynomial functions as sketching aids Use the Intermediate Value Theorem to help locate zeros of polynomial functions 2.3 Polynomial and Synthetic Division Use long division to divide polynomials by other polynomials Use synthetic division to divide polynomials by binomials of the form (x-k) Use the Remainder Theorem and the Factor Theorem 2.4 Complex Numbers Use the imaginary unit I to write complex numbers Add, subtract, and multiply complex numbers Use complex conjugates to write the quotient of two complex numbers in standard form Find complex solutions of quadratic equations 2.5 Zeros of Polynomial Functions Use the Fundamental Theorem of Algebra to determine the number of zeros of polynomial functions Find rational zeros of polynomial functions Find conjugate pairs of complex zeros Find zeros of polynomials by factoring Use Descarte’s Rule of Signs and Upper and Lower Bound Rules to find zeros of polynomials Math 136 Ivy Tech – 1st semester 2.6 Rational Functions Find the domains of rational functions Find the horizontal and vertical asymptotes of graphs of rational functions Analyze and sketch graphs of rational functions Sketch graphs of rational functions that have slant asymptotes Use rational functions to model and solve real-life problems 2.7 Partial Fractions Recognize partial fraction decompositions of rational expressions Find partial fraction decompositions of rational expressions Chapter 3: Exponential and Logarithmic Functions 3.1 Exponential Functions and Their Graphs Recognize and evaluate exponential functions with base a Graph exponential functions Recognize and evaluate exponential functions with base e Use exponential functions to model and solve real-life applications 3.2 Logarithmic Functions and Their Graphs Recognize and evaluate logarithmic functions with base a Graph logarithmic functions Recognize and evaluate natural logarithmic functions Use logarithmic functions to model and solve real-life applications 3.3 Properties of Logarithms Use the change-of –base formula to rewrite and evaluate logarithmic expressions Use properties of logarithms to evaluate or rewrite logarithmic expressions Use properties of logarithms to expand or condense logarithmic expressions Use logarithmic functions to model and solve real-life applications 3.4 Exponential and Logarithmic Equations Solve simple exponential and logarithmic equations Solve more complicated exponential equations Solve more complicated logarithmic equations Use exponential and logarithmic equations to model and solve real-life applications Math 136 Ivy Tech – 1st semester 3.5 Exponential and Logarithmic Models Recognize the 5 most common types of models involving exponential and logarithmic functions Use exponential growth and decay functions to model and solve real-life problems Use Gaussian functions to model and solve real-life problems Use logistic growth functions to model and solve real-life problems Use logarithmic functions to model and solve real-life problems Chapter 7: Systems of Equations and Inequalities 7.1 Solving Systems of Equations Use the method of substitution to solve systems of equations in two variables Use a graphical approach to solve systems of equations in two variables Use systems of equations to model and solve real-life problems 7.2 Two-Variable Linear Systems Use the method of elimination to solve systems of linear equations in two variables Interpret graphically the numbers of solutions of systems of linear equations in two variables Use systems of equations in two variables to model and solve real-life problems 7.3 Multivariable Linear Systems Use back-substitution to solve linear systems in row-echelon form Use Gaussian elimination to solve systems of linear equations Solve nonsquare systems of linear equations Use systems of linear equations in three or more variables to model and solve application problems 7.4 Systems of Inequalities Sketch the graphs of inequalities in two variables Solve systems of inequalities Use systems of inequalities in two variables to model and solve real-life problems 7.5 Linear Programming Solve linear programming problems Use linear programming to model and solve real-life problems Math 136 Ivy Tech – 1st semester Chapter 8: Matrices and Determinants 8.1 Matrices and Systems of Equations Write a matrix and identify its order Perform elementary row operations on matrices Use matrices and Gaussian elimination to solve systems of linear equations Use matrices and Gauss-Jordan elimination to solve system of linear equations 8.2 Operations with Matrices Decide whether two matrices are equal Add and subtract matrices and multiply matrices by real numbers Multiply two matrices Use matrix operations to model and solve real-life problems 8.3 The Inverse of a Square Matrix Verify that two matrices are inverses of each other Use Gauss-Jordan elimination to find the inverses of matrices Use a formula to find the inverses of 2-by-2 matrices Use inverse matrices to solve systems of linear equations 8.4 The Determinant of a Square Matrix Find the determinants of 2-by-2 matrices Find minors and cofactors of square matrices Find the determinants of square matrices 8.5 Applications of Matrices and Determinants Use Cramer’s Rule to solve systems of linear equations Use determinants to find the areas of triangles Use a determinant to test for collinear points and find an equation of a line passing through two points Use matrices to code and decode messages Math 136 Ivy Tech – 1st semester