Descartes' Rule of Signs Explained! [Algebra 2]

How do we use Descartes' Rule of Signs to find the possible numbers of positive real zeros, negative real zeros, and imaginary zeros? Who on earth is Descartes? The first of those questions will be answered in this video! Full Algebra 2 Playlist: https://www.youtube.com/playlist?list=PLwb6e2ez0AAb-4vxKZutQbThGHhlKAoI8 Remainder Theorem: https://youtu.be/NC9yTWnn47E Sketching Polynomials: https://youtu.be/AAYKiWyVDJs 🕓 VIDEO CHAPTERS 🕓 0:00 - What is Descartes' Rule of Signs? 1:33 - Positive Real Zeros 3:35 - Negative Real Zeros 7:56 - Imaginary Zeros 8:26 - Creating the Table