True or false: sets

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   In roster form the order in which elements are listed does not matter.

2. Statement is true

   No

   Statement

   In roster form an element is repeated as many times as it occurs.

3. Statement is true

   Yes

   Statement

   In set-builder form the elements share a single common property.

4. Statement is true

   Yes

   Statement

   The set of positive even integers below 7 is written 2, 4, 6 in roster form.

Instructions

Decide whether each statement about sets is true or false.

Explanation