Sets and Venn Diagrams — Quiz Answers

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cap s is a subset within a universal set, cap u If cap s is equal to x comma y comma 4 comma 9 comma ? , which could describe cap u ?

A
cap u cap u is equal to punctuation marks
B
cap u cap u is equal to keys on a keyboard
C
cap u cap u is equal to letters
D
cap u cap u is equal to numbers
3

Consider cap u is equal to x divides x is A negative real number Which is an empty set?

A
start set x such that x is in cap u and x is equal to the sum of one negative and one positive number end set
B
start set x such that x is in cap u and x has A negative square root end set
C
start set x such that x is in cap u and x is equal to the product of A positive number and minus 1 end set
D
start set x such that x is in cap u and x has A negative cube root end set
4

The universal set is the set of rational numbers. cap s is the set of integers. Which represents cap s to the c th power ?

A
start set x such that x is A rational number end set
B
start set x such that x is A rational non-integer end set
C
start set x such that x is A real number end set
D
start set x such that x is A rational positive number end set
10

If the set cap u is equal to all positive integers and set cap A is equal to x divides x is in the union of and x is an odd positive integer , which describes the complement of set cap A , cap A to the c th power ?

A
cap A to the c th power is equal to x divides x is in the union of and is an even positive integer
B
cap A to the c th power is equal to x divides x is in the union of and is zero
C
cap A to the c th power is equal to x divides x is in the union of and is not an integer
D
cap A to the c th power is equal to x divides x is in the union of and is A negative integer
12

Which is represented by varnothing ?

A
the union of cap o and cap p
B
the intersection of cap e and cap o
C
the union of cap o and cap e
D
the intersection of cap e and cap p
18

Which statements are true about x ? Choose three correct answers.

A
x is in the union of cap b and cap c
B
x is in the union of cap A and cap c
C
x is in cap A
D
x is in the intersection of cap b and cap c
E
x is in the intersection of cap A and cap c
19

If the set cap u is equal to all positive integers and set cap A is equal to x divides x is in the union of and x is an odd positive integer , which describes the complement of set cap A , cap A to the c th power ?

A
cap A to the c th power is equal to x divides x is in the union of and is zero
B
cap A to the c th power is equal to x divides x is in the union of and is not an integer
C
cap A to the c th power is equal to x divides x is in the union of and is A negative integer
D
cap A to the c th power is equal to x divides x is in the union of and is an even positive integer
20

Which number(s) satisfy the intersection of cap A and cap c ?

A
1 , 4 , 9 , 16 , 25 , 36 , 49 , 81 , 100
B
1 , 16 , 81
C
1 , 4 , 9 , 16 , 25 , 36 , 49 , 64 , 81 , 100
D
16 , 81

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