Answer Explanations on Quizizz allows you to describe the steps in detail for the correct answer option. You can format the text, add multimedia(audio or video) or use the math equation editor in this box. You can access this feature while editing a question in the quiz editor.
Answer Explanations can be enabled as part of the quiz; it cannot be enabled on a Presentation.
You can watch a preview of it on the right-hand side of the screen (view for a participant)
Click on save for the changes to reflect in your quiz.
You can disable Answer Explanations, by turning it OFF in the Game Settings tab under the 'Show answers during activity'.