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Mathematics Department Competencies and Assessments Precalculus Course description: This is a course dealing with algebraic, geometric, and trigonometric concepts, with considerable emphasis on problemsolving. The theory of factoring, structure of complex numbers, and solutions of logarithmic equations are also covered. The utilization of graphing technology will be emphasized. Course Power Standards Assessment Tools The Real Number System: Students demonstrate understanding of: Quizzes Extending the properties of exponents to rational exponents; Homework Use properties of rational and irrational numbers. Classwork Tests Projects The Complex Number System: Students demonstrate understanding of: Quizzes Performing operations with complex numbers, including conjugation; Homework Use of complex numbers in polynomial identities and equations: solve quadratic Classwork equations with real coefficients that have complex solutions. Tests Projects Arithmetic with polynomials and rational expressions: Students demonstrate Quizzes understanding of: Homework Performing arithmetic operations on polynomials. Classwork Understanding the relationship between zeros and factors of polynomials: know Tests and apply the remainder theorem; identify zeros of polynomials when suitable Projects factorizations are available, and use the zeros to construct a rough graph of the function defined by the polynomial; Rewriting rational expressions; Solving rational equations. Creating Equations: Students demonstrate understanding of: Creating equations that describe numbers or relationships: representing constraints by equations or inequalities, and by systems of equations and/or inequalities, and interpreting solutions as viable or non-viable options in a modeling context; rearranging formulas to highlight a quantity of interest using the same reasoning as in solving equations. Quizzes Homework Classwork Tests Projects Reasoning with Equations and Inequalities: Students demonstrate understanding of: Solving quadratic equations in one variable: use the method of completing the square to transform any quadratic equation in x into an equation of the form (xp)2=q that has the same solutions; solve quadratic equations by inspection taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation; Solving systems of equations; Representing and solving equations and inequalities graphically. Quizzes Homework Classwork Tests Projects Interpreting Functions: Students demonstrate understanding of: Understanding the concept of a function and use of function notation: Use function notation, evaluate functions for inputs in their domains, and interpret statements that use function notation in terms of a context; Analyzing functions using different representations: Graphing functions expressed symbolically and show key features of the graph, by hand in simple cases and using technology for more complicated cases; Graphing quadratic functions, square root functions, cube root functions, piecewise-defined functions, polynomial functions, exponential, logarithmic, and trigonometric functions. Writing a function defined by an expression in different but equivalent forms to reveal and explain different properties of the function: Use the process of factoring and completing the square in a quadratic function to show zeros, extreme values, and symmetry of the graph, and interpret these in terms of a context. Quizzes Homework Classwork Tests Projects Linear and Exponential Models: Students demonstrate understanding of: Constructing and comparing linear and exponential models and solving problems, including proving that linear functions grow by equal differences over equal intervals, and that exponential functions grow by equal factors over equal intervals; Recognizing situations in which a quantity grows or decays by a constant rate; Exponential models, expressing as a logarithm the solution, or evaluating the logarithm using technology. Quizzes Homework Classwork Tests Projects Trigonometric Functions: Students demonstrate understanding of: Trigonometric ratios and solving problems involving right triangles; Use of special triangles to determine the values of sine, cosine, and tangent; Extending the domain of the trigonometric functions using the unit circle; Radian measure of an angle; Modeling periodic phenomena with trigonometric functions; Proving and applying trigonometric identities; Applying trigonometry to general triangles, including use of the Law of Sines and Cosines. Quizzes Homework Classwork Tests Projects Vector and Matrix Quantities: Students demonstrate understanding of: Representing and modeling with vector quantities, recognizing that vectors have both a magnitude and direction; Finding the components of a vector; Performing operations on vectors, including addition, subtraction, and scalar multiplication; Performing operations on matrices and using matrices in applications, including adding, subtracting, scalar and matrix multiplication, finding and using the determinant, and representing and manipulating data. Quizzes Homework Classwork Tests Projects All prospective students must complete all three assessment types to the standards listed below and subsequent attachments. Assessment #1- Projects and Summative Assessments These are based on concepts and projects that are covered with all Precalculus classes during the course of each year. Prospective Students must complete all components of each project. The cooperating teacher must sign off on each component with a label of “mastery”. Assessment #2- Homework, Classwork, and Formative Assessments Daily assessments of student performance and understanding used to inform instructional decisions. Assessment #3- Exam These are based on concepts and information that all Precalculus students are exposed to each year. Each must be completed with the prospective student attaining a 70% or higher proficiency.