Name:
Grade & Section:
Instruction: Answer the following on your Math notebook. (10 items ONLY).
A. Write in roster method:
1. distinct letters of HUMILITY _______________________________
2. colors of the rainbow
_______________________________
B. Write using set-builder notation:
1. {a,e,i,o,u} _______________________________
2. {1,3,5,7,9,11,13,15} _______________________________
C. State whether the group/set is well- defined or NOT:
1. {a favorite fruit } _______________________________
2. {a student in your class }_______________________________
D. Let A= {1,3,5,6,7 } and
B= {2,4,5,6,7 }
Classify if each statement are TRUE or FALSE.
1. n(A)= 5 ____________________
2. 3∈ B ______________________
E. State whether the set is finite or infinite.
1. The set of teachers in your school. _______________________
2. The set of even number
_____________________________