College Algebra Set Theory Review

What is the union of two sets?

• Some elements from one set.

• All the elements from both sets, without any duplicates.

• The elements that are unique to both sets.

• The elements that are common to both sets.

Tags

CCSS.HSS.CP.A.1

• 4, 0, -9, 7

• 0, 4

• 4, 0, -9, 7, 2, 6

• 2, 4, 6, 7

Answer explanation

This is asking for the union! All elements, with no repeats

Tags

CCSS.HSS.CP.A.1

What is the intersection of two sets?

• A set with no elements

• All the elements in two sets

• Random elements

• Set of common elements

Tags

CCSS.HSS.CP.A.1

• 4, 0, -9, 7

• 0, 4

• 0, 2, 4, 6

• 7, 2, 0

X ∩ Y ∩ Z

• { }
• {Phillip}
• {Billy, Phillip, Bryan, Perez}
• {Billy, Perez, Bryan}

Tags

CCSS.HSS.CP.A.1

Z ∪ Y

• { }
• {Sarah, Gabino, Ja-Leah, Billy, Phillip, Bryan, Perez, Gabriel, William}
• {Brittney, Na'Quan, Bryan, Gabriel, William}
• {Gabriel, William, Bryan, Phillip, Perez}

Tags

CCSS.HSS.CP.A.1

From the above Venn diagram, what is the set S ∩ T?

• {casey, drew, jade, glen}
• {alex, casey, drew,hunter}
• {casey, drew}
• {drew, jade}

Tags

CCSS.HSS.CP.A.1

How many students do not ski or ice skate?

• 10
• 16
• 22
• 28

Tags

CCSS.HSS.CP.A.1

What statement does the shaded region represent?

• A ∩ B ∩ C
• A  ∪ B ∩ C
• B ∩ C
• A ∪ C

Tags

CCSS.HSS.CP.A.1

What does the shaded region of the Venn diagram represent?

• P or S
• Only P or S
• P and S
• Only P and S

Tags

CCSS.HSS.CP.A.1