2
QuizMultiple Choice
Unit Test — Unit test
Question 2 • KY-Geometry B-CR
Consider U = {x|x is a positive integer greater than 1}.Which is an empty set?
Answer
A
{x|x ∈ U and is prime}
B
{x|x ∈ U and 2x is prime}C
{x|x ∈ U and can be written as a fraction}D
{x|x ∈ U and 2x can be written as a fraction}