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}

Which of the following is the complement of set A if the universal set is U = {1, 2, 3, 4, 5} and A = {1, 3, 5}? A) {1, 2, 3, 4, 5} B) {2, 4} C) {2, 3, 4} D) {1, 3, 5}

Complement is denoted by

• A∪B

Tags

CCSS.HSS.CP.A.1

Given event B is rolling a 2 or a 5 on a six sided die, what is the probability of the complement of event B?

Answer explanation

What is the symbol for intersection?

• U

• ⋂

• '

Tags

CCSS.HSS.CP.A.1

What is the symbol for union?

• U

• ⋂

• '

What does this symbol represent ( ∩ )?

• Intersect

• Union

• Not

• Subset

If P = {0, 1, 2, 3, 4}, Q = {4, 6, 8} and R = {6, 12, 18}, then what is (P ∩ Q) ∪ R?

• {4}

• {4, 6}

• {4, 6, 8}

• {4, 6, 12, 18}

If
A = {1, 3, 5, 15},
B = {2, 3, 5, 7}
C = {2, 4, 6, 8}
then what is (A U B) ∩ C ?
 

• {1,3,5}

• {1,2,3}

• {2,3,5}

• {2}

List the elements of the the set: A ∪ B'

• { 2 , 6 }

• { 1 , 2 , 3 , 5 , 6 , 9 }

• { 1 , 2 , 5 , 6 }

• { 2 , 3 , 9 }

Tags

CCSS.HSS.CP.A.1