- Notes 4.1 Video The Fundamental Theorem Of Algebra
- Notes 4.1 Video Descartes’ Rule of Signs (How many roots are positive? Negative?)
- Notes 4.1 Video How Many Roots Can Be Zero?
- Notes 4.1 Video How Many Roots Can Be Imaginary? (Complex Conjugate Root Theorem)
- Notes 4.1 Video Examples: Finding the # of Positive, Negative, Zero & Imaginary Roots