Use the links for review or practice:
www.youtube.com/watch?v=ylBEF4nWo84
https://www.khanacademy.org/math/algebra2/polynomial-functions/quadratic-equations-with-complex-numbers/v/complex-roots-from-the-quadratic-formula
https://www.youtube.com/watch?v=11EwTcRMPn8
https://www.youtube.com/watch?v=xNxqX9kPQok
https://www.youtube.com/watch?v=GIpBTTEhE2I
HW: Complete WS Kuta Solving Quadratics with Imaginary Solutions (1 - 10)