Descartes Slides Presentation Slides
A visual presentation for Lesson 5 teaching Descartes' Rule of Signs and how it's used to predict the existence of non-real roots. Includes step-by-step table construction for root possibilities.
Predicting Roots Worksheet Student Document
A student worksheet for Lesson 5 focusing on predicting root types using Descartes' Rule of Signs. Students construct tables of possible root combinations and analyze polynomials with guaranteed non-real roots.
Descartes Answer Key Teacher Resource Document
Teacher answer key for the Predicting Roots worksheet. Includes complete possibility tables, proofs for imaginary-only polynomials, and the conceptual link between sign changes and conjugate pairs.
