Module 4: Rational Equations and Rational Functions

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Section 4.1 Textbook: Inverse Variation Models

Section 4.1 Textbook:  Inverse Variation Models

Learning Objectives

• Distinguish direct and inverse variation.
• Graph inverse variation equations.
• Write inverse variation equations.
• Solve real-world problems using inverse variation equations.

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Section 4.4 Textbook: Rational Expressions

Section 4.4 Textbook:  Rational Expressions

Learning Objectives

• Simplify rational expressions.
• Find excluded values of rational expressions.
• Simplify rational models of real-world situations.

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Section 4.5 Textbook: Multiplication and Division of Rational Expressions

Section 4.5 Textbook:  Multiplication and Division of Rational Expressions

Learning Objectives

• Multiply rational expressions involving monomials.
• Multiply rational expressions involving polynomials.
• Multiply a rational expression by a polynomial.
• Divide rational expressions involving polynomials.
• Divide a rational expression by a polynomial.
• Solve real-world problems involving multiplication and division of rational. expressions.

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