untitled

It is a collection of well-defined group of objects.

• Element

• Set

• Cardinality

• Universal Set

1. Which best describe the set

{0, 2, 4, 6, …}?

• Set of all counting numbers divisible by 2

• Set of all composite numbers

• Set of all whole numbers divisible by 2

• Set of rational numbers

What type of set is denoted as either { } or ∅?

• Superset

• Disjointed Set

• Empty (or Null) Set

• Subset

What does this symbol represent?

• Intersection "and"

• Intersection "or"

• Union "and"

• Union "or"

What does this symbol represent?

• Intersection "and"

• Intersection "or"

• Union "and"

• Union "or"

If A = {1, 2, 3, 4, 5, 6} and B = {1, 2, 3, 5, 7, 9} What is A ⋂ B?

• {1, 2, 3, 4, 5, 6, 7, 9}
• {1, 2, 3, 5}
• {4, 6, 7, 9}
• { }

If Set A = {MICHAEL} and Set B = {JORDAN}, what is A ⋃ B?

• {MICHAELJORDAN}

• {MICHAELJORDN}

• {A}

• { }

Let C={2, 5, 7, 10} and B={x|x is an even whole number less than 9}. Find C ∩ B

• {2}

• {2, 4}

• {2, 10}

• {2, 5, 7}

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?

• {3, 5, 7}

• {2, 3, 5, 7}

• {2, 3, 5, 7, 9}

• {1, 2, 3, 5, 7, 9}

A = {1, 3, 5, 7, 9}

B = {2, 3, 5, 7}

What is A ∪ B ?

• {3, 5, 7}

• {2, 3, 5, 7, 9}

• {2, 3, 5, 7}

• {1, 2, 3, 5, 7, 9}