Test 1 Review Honors

What does this symbol mean?
∩

• Intersection
• Union
• Is a member of
• Universal set

What does this symbol mean?
∪

• Union
• Intersection
• Is a member of
• Empty set

Tags

CCSS.HSS.CP.A.1

What does this symbol mean?
∅

• Empty set
• Intersection
• Universal set
• Number in set

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}

• {telephone, camera, computer, printer, pencil, textbook, notebook, calculator, desk, coffee, tea}
• {coffee, tea}
• {printer, pencil}
• {telephone, camera, computer, printer, pencil, textbook, notebook, calculator, desk}

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

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

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 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}

Which is the correct set notation for A U B?

• {12, 14, 15, 18, 21}
• {10, 11, 12, 14, 15, 18, 21}
• {10, 11, 13, 16, 17, 19, 20}
• {12, 14, 15}

Which is the correct set notation for A intersection B ?

• {12, 14, 15, 18, 21}
• {10, 11, 12, 14, 15, 18, 21}
• {10, 11, 13, 16, 17, 19, 20}
• {12, 14, 15}