Q1: What is the Cartesian product of sets A={1,2} and B= {x,y} ?

{1x,2y}\{1x, 2y\} {(1,x),(1,y),(2,x),(2,y)} {1+x,2+y} None of the above

Q2: If A×B=B×AA , what does this imply about sets AAA and BBB?

A⊂BA A=BA = BA=B A≠BA No implication

Q3: What is the Cartesian product of a set AAA with itself called?

Self-product Reflexive product Cartesian square Power set

Q4: If ∣A∣=3|A| = 3∣A∣=3 and ∣B∣=2|B| = 2∣B∣=2, what is ∣A×B∣|A \times B|∣A×B∣?

2 3 5 6

Q5: The Cartesian product of sets AAA and BBB results in:

A set of pairs A subset of AAA An intersection of AAA and BBB A union of AAA and BBB

Q6: What is the cardinality of a set A={2,4,6} ?

2 3 4 6

Q7: How many subsets does a set with 4 elements have?

8 12 16 24

Q8: What is the power set of {a,b}?

{{a},{b}} {∅,{a},{b},{a,b}} {∅,a,b} {{a,b}}