Use the video links for rationalizing the denominator:
https://www.khanacademy.org/math/algebra-home/alg-exp-and-log/miscellaneous-radicals/v/how-to-rationalize-a-denominator
https://www.youtube.com/watch?v=TPUd_gaJDNU
https://www.youtube.com/watch?v=T_cZqeLNCHM
https://www.youtube.com/watch?v=3LN-R2KMuZw
HW: Complete complex number/radical review (1 - 15) with your work on the work space sheet.