Choose the correct solution in roster form: Y is the set of real numbers that are factors of 25

Question

a. {1, 25}
b. {1, 5, 25}
c. {1, 3, 5, 25}
d. {5, 25}

Answer 1

The factors of 25 are 1, 5, and 25. Therefore, the correct solution in roster form is b. {1, 5, 25}.