Math 7 - Quiz #1 (1st Q)

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

• {3, 5, 7}

• {2, 3, 5, 7}

• {1, 2, 3, 5, 7, 9}

• {2, 3, 5, 7, 9}

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}

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

• Union

• Intersection

• Disjointed

• Subset

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

• {casey, drew, jade, glen}

• {alex, casey, drew,hunter}

• {drew, jade}

• {casey, drew}

What is a method in writing notations that is also called listing method?

• rule method

• universal method

• roster method

• free method

Determine if the set is well defined or not:

{x:x is a baseball team that has won the World Series}

• Well Defined

• Not Well Defined

Determine if the statement is true or false.

{10, 12, 14, 16} ⊆ {1,2,3,4,...99}

• True

• False

Which of the following represents the shaded region?

• (A ⋃ B)'

• (A ∩ B)'

• A'

• B'

Write the following solution in set builder notation:

"Any value less than 7".

• { x | x < 7 }

• { x | x < 7 }

• { x | x ≤ 7 }

• { x | x ≥ 7 }

{A, B, C, D, E, F, G, H, I, J, K, L, M}, is an example of on how to describe a set.

• Roster Form

• Set Builder Notation

• Universal Form

• Equivalent Inequalities