Answer:
Disjunctive Syllogism
Step-by-step explanation:
This type of syllogism posits that if one option is true, then the other option is false.
If A is true, then B is false (A or B).
From the statements given, it is said that one speech will have to be a passing or failing grade. Going further, Juan's speech did not earn a failing grade, which means his speech earned a passing grade. Therefore, the set of statements illustrates disjunctive syllogism.