Oswego City School District
Regents Exam Prep Center: Solving Quadratic Equations With Complex Roots
These examples use the quadratic formula to solve quadratic equations. Learn what to do when the solution includes a complex number. Use the practice page and teacher resource page to enhance the lesson.
CK-12 Foundation
Ck 12: Fundamental Theorem of Algebra
[Free Registration/Login may be required to access all resource tools.] Resources for teaching and applying the Fundamental Theorem of Algebra.