STUDENT LEARNING MAP Content Map of Unit: Algebra II – Chapter 8 Key Learning(s): Topic: Rational Expressions and Equations Unit Essential Question(s): Grade: Sr. High Optional Instructional Tools: Simplifying rational expressions Ability to write algebraic expressions using rationals to model real world situations Using direct, joint and inverse variations in these application How do we use our factoring skills to transform and solve equations? How do we determine reasonable domain and range values? How can we use functions to model and make predictions in problem situations involving direct and inverse variations? Concept: Concept: Concept: Concept: Multiplying and Dividing Rational Expressions Adding and Subtracting Rational Expressions Graphing Rational Functions Direct, Joint and Inverse Variation Lesson Essential Questions: Lesson Essential Questions: Lesson Essential Questions: Lesson Essential Questions: What are some properties of rational expressions? How can they be multiplied and divided? How are rational expressions added and subtracted? How is the graph of a rational function related to the algebraic form of the function? How are direct and inverse variation described algebraically and graphically? How can you analyze variation involving more than two variables? Vocabulary: Vocabulary: Vocabulary: Vocabulary: rational function, continuity, asymptote, point discontinuity direct variation, constant of variation, joint variation, inverse variation rational expression, complex fraction Concept: Concept: Classes of Functions Solving Rational Equations and Inequalities Lesson Essential Questions: Lesson Essential Questions: What are some of the basic types of functions? What are some real-world problem situations that involve rational equations and inequalities, and how are they solved? Vocabulary: Vocabulary: Concept: Concept: Lesson Essential Questions: Lesson Essential Questions: Vocabulary: Vocabulary: rational equation, rational inequality Assignments: Sect 8-1 Multiplying and Dividing Rational Expressions, pages 447-449: 17-53 odd, 56-62 all, 68, 69 Sect 8-2 Adding and Subtracting Rational Expressions, pages 454-456: 23-47 odd, 40-46 even, 51, 52, 62-68 all Sect 8-3 Graphing Rational Functions, pages 461-463: 13, 15, 17-28 all, 29, 31, 33-36 all, 39-45 odd, 55, 56, 57-63 odd Sect 8-4 Direct, Joint and Inverse Variation, pages 469-471: 8-13 all, 17-31 odd, 36-38 all, 42-44 all, 51-54 all Sect 8-5 Classes of Functions, pages 476-478: 10-33 all, 38, 39, 41-45 odd Sect 8-6 Solving Rational Equations and Inequalities, pages 484-486: 10-31 odd, 32, 42-46 all