Sets 2.1 and 2.2

A collection of objects is called________________?

Two sets that contain the same number of elements are called ________ sets.

Two sets that contain the same elements are called ________ sets.

The number of elements in a set is called the ________ number of the set.

Determine whether the following set is well defined or not well defined:

THE SET OF BEST ARTIST

• Well defined

• Not well defined

Answer explanation

“Best” is interpreted differently by different people.

Determine whether the following set is well defined or not well defined:

THE SET OF THE MOST INTERESTING TEACHERS AT YOUR SCHOOL

• Well defined

• Not well defined

Answer explanation

“Interesting” is interpreted differently by different people.

Determine whether the following set is well defined or not well defined:

THE SET OF ASTRONAUTS WHO WALKED ON THE MOON

• Well defined

• Not well defined

Answer explanation

“Interesting” is interpreted differently by different people.

Determine whether the following set is finite or infinite:

THE SET OF ODD NUMBERS GREATER THAN 25

• Finite

• Infinite

Express the set in a roster form:

The set of states in the United States whose names begin with the letter H

Evaluate responses using AI:

OFF

Express the set in a roster form:

C = {x | x + 6 =10}

Evaluate responses using AI:

OFF