Cardinality of set

1. The cardinality is the number of elements in the set.

• True

• False

A set of stars in the sky

• Millions

• Finite

• Billions

• Infinite

B = {-5, -4, -3, -2, -1, 0, 1 }

• 8

• 7

• 6

• 5

C = {}

• 0

• 1

• 2

• 3

A set of stars in the Philippine flag.

• empty set or null set

• unit set

• finite set

• infinite set

A set of colors in the Philippine flag.

• 2

• 3

• 4

• 5

Identify what kind of set is being described below:

set of months with more than 31 days

• Empty set

• Finite set

• Infinite set

• Unit set

Identify what kind of set is being described below:

set of electrical appliances currently working in your house

• Empty set

• Finite set

• Infinite set

• Unit set

Identify what kind of set is being described below:

set of all currently enrolled students in Pines City National High School

• Empty set

• Finite set

• Infinite set

• Unit set

Identify what kind of set is being described below:

set of all numbers that can be divided by 5

• Empty set

• Finite set

• Infinite set

• Unit set