Math Calculators, Lessons and Formulas

It is time to solve your math problem

mathportal.org
• Pre algebra
• Sets
• Set definition and set representation

# Set definition and set representation

ans:
syntax error
C
DEL
ANS
±
(
)
÷
×
7
8
9
4
5
6
+
1
2
3
=
0
.
auto next question
calculator
•  Question 1: 1 pts $\{1,2,3\}=\{3,2,1\}=\{1,2,2,3,3,3\}$
•  Question 2: 1 pts If $B=\{1,2,3\}$ than $1\in B$ and $2\not \in B.$
•  Question 3: 1 pts The cardinality of the set $A=\{1,2,3,5,8,9\}$ is
 2 4 5 6
•  Question 4: 2 pts
$\mid \varnothing \mid$ is
•  Question 5: 2 pts Set $A=\{1,2,3,5,8,9\}$ is equivalent to set $B=\{2,3,8,11,12,13\}$.
•  Question 6: 2 pts Sets $A=\{2,4,6,8\}$ and $B=\{1,2,6,8\}$ are
 equal, but not equivalent not equal, but equivalent
•  Question 7: 2 pts List the elements of the set $D=\{x\in\mathbb{Z}^{+}\mid x<4\}.$
$D=$
•  Question 8: 3 pts The cardinality od set $A=\{\varnothing, \{a\}, \{a,b\}\}$ is
 3 2 1 0
•  Question 9: 3 pts List the elements of the set $A=\{n\in\mathbb{N}\mid \mbox{n is prime and}\ n\leq10\}.$
 $A=\{2,3,5,7\}$ $A=\{0,2,3,5,7\}$ $A=\{1,3,5,7,9\}$ $A=\{2,4,6,8,10\}$
•  Question 10: 3 pts List the elements of the set $A=\{x\in\mathbb{Z}\mid |x|<4\}.$
 $A=\{0,1,2,3\}$ $A=\{0,1,2,3,4\}$ $A=\{-4,-3,-2,-1,0,1,2,3,4\}$ $A=\{-3, -2,-1,0, 1,2,3\}$
•  Question 11: 3 pts The universal set is $U=\{5,6,7,8,9,10,11,12\}.$ List the elements of the set $B=\{x\mid x \mbox{ is a factor of}\ 60\}.$
 $B=\{5,6,8,10,12\}$ $B=\{5,6,10,12\}$ $B=\{6,8,10,12\}$ $B=\{5,7,8,9,11\}$