Ms. Nguyen was not a great teacher. I had her for precalculus before COVID. She would use class time to talk about herself and things not related to the class. She was not easy to approach and was not very understanding of students. She tended to choose favorites and call on people. If people did not have an answer or were confused, she would make fun of them. The learning environment was not great, which made it hard to do well in the class.