9.1 Inverse and Joint Variation

9.1 Sample problems direct, inverse, joint variation

9.2 Graphing - step 1 - asymptotes

9.2 Graphing Rational Functions

9.4 Introduction

9.4 Complex Fractions level 1

9.4 Complex Fractions Level 2

9.4 Complex Fractions Level 3

9.5 Adding and Subtracting Rational Expressions pt a

9.5 Adding and Subtracting pt

9.6 Solving Rational Equations