Introduction to Set theory

What is the following symbol's name and meaning? $\cup$  

• Union- Combines two sets or intervals

• Union- Gives the overlap of two sets or intervals

• Intersection- Combines 2 sets or intervals

• Intersection- Gives the overlap of two sets or intervals

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

Which number is a part of the rational set, but not the integer set?

• $\pi$

• $\frac{1}{7}$

• 6

• 10,000,000,000,000

{1,2,3,4,5,6} which set is a subset of this?

• {1,3,5}

• {0,1,2}

• {4,6,8}

• {1.1,2,3}

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}

Tags

CCSS.HSS.CP.A.1

The Universal Set = { -4, - 3, -2, -1, 0, 1, 2, 3 ,4} and A = {0}.

What is the complement of A?

• {-4, -3, -2, -1, 0, 1, 2, 3}

• {-3, -2, -1, 1, 2, 3}

• {-4, -3, -2, -1, 1, 2, 3, 4}

• {-4, -3, -2, -1, 1, 2, 3}

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}

Tags

CCSS.HSS.CP.A.1

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}
• { }

Tags

CCSS.HSS.CP.A.1

Find n(A) when

A = {14, 16, 18, 20, 22, 24}

• 6

• 4

• 12

• even numbers

Tags

CCSS.HSS.CP.A.1

What statement does the shaded region represent

• A or B
• Not A
• A and B
• Not B

Tags

CCSS.HSS.CP.A.1

What does this symbol ( ∪ ) represent in set theory?

• Union

• Intersection

• Disjointed

• Subset

Tags

CCSS.HSS.CP.A.1