Homework: Solving Rational Equations: File Size: 85 kb: File Type: pdf: Download File. Part IV: Variations. Unit 8 - Rational Functions - Notes and Homework: File Size: 4271 kb: File Type: pdf: Download File. Algebra 2 - Unit 8 - Rational Functions - Answer Keys for Notes and Homework: File Size: 8098 kb: File Type: pdf: Download File. Video.