Pre-Assessment: A. In answering this activity, you should refer to the diagram below. Write your answer in the space provided after each number. 1. A= 2. B= U 3. Universal sets = 4. Cardinality of sets = 5. AU B = 123 6. A n B = 7. A - B = 4 9 8. B - A = 9. A'= 10. B' = 1 5 7 10 B A 8 6 11 N a. B. Here, you have to read and analyze the statement carefully. Encircle the letter of the correct answer. 1. What set operation combining all elements that are in two sets? Union c. Difference b. Intersection d. Universal 2. What do you call a set that has no elements? a. Universal sets c. Noll sets b. Null sets d. Difference of two sets 3. What set operation containing all elements common to the two sets? Union c. Difference b. Intersection d. Universal 4. What set operation combining all elements that are in two sets. a. Union c. Difference b. Intersection d. Universal a. Paano po bato