After patrice failed the first math quiz, she thought she would fail the whole class. then she realized it was just one quiz and she would have many more quizzes in the future that would boost her grade. this demonstrates the concept of

I believe the answer is A. reframing
The concept of  reframing refers to the psychological technique that carried out by distinguish which thouhts are irrational/unproductive and then make an effort to distinguish it.
Doing this will change our view and approach in dealing with our problems and never percieve those problems as a dead-end that should make us stop trying our best for future chaances.

Both stories have something in common