Which one of the following sets is infinite?

The set of integers less than 10

Which one of the following is { } ?

The set of rational expressions for π

Which of the following best describes Houston PREP?

The Houston Pre-freshman Enrichment Program

find the negation of p= all teenagers have jobs

some teenagers dont have jobs, there exists a teenager without a job

Which following statements is not true?

Not all integers are rational numbers.

Which of following set that is NOT well-defined?

The set of all objects that are warm.

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Linear Algebra K!

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Questions 30

Answers

1
Which one of the following sets is infinite?
The set of prime numbers less than 10
The set of factors of 10
The set of integers less than 10
The set of whole numbers less than 10
2
Which of the following best describe the statement ?
props. of set intersection
defn. of set union
defn. of set intersection
props. of set union
3
Which of the following best describe S ∩ T?
difference of sets S and T
union of sets S and T
intersection of sets S and T
complement of set S and T
4
What is the room number for our Linear Algebra?
A336
A306
B306
B336
5
If A = Z, B = W, Which is true?
B is a subset of A
The intersection of sets A and B is A
B is not a subset of A
A is a subset of B
6
Which one of the following is { } ?
The set of factors of 7
The set of rational expressions for π
The set of W-N
The set of even prime numbers
7
Which of the following symbol has correct definition?
N set of natural numbers
Q is set of irrational numbers
I is set of integers
R is set of all numbers
8
Let A = {1, 3, 5}, B = {2, 4, 6 } and C = {2, 3, 4 }. What is A ∩ (B ∪ C).?
{ 3}
{2, 3, 4, 6}
{1, 2, 3, 4, 5, 6}
{ }
9
A is the set of factors of 36. Which one of the following are not members of A?
2, 3, 4
3, 6, 12
2, 4, 8
1, 2, 3
10
Let A = {1, 3, 5} and B = {2, 4, 6 }. What is A ∪ B?
{1, 2, 3, 4, 5}
{1, 2, 3, 4, 5, 6}
{2, 3, 4, 5, 6}
{ }
11
How many years has Mr. Lee been teaching?
about 15 years
about 10 years
about 20 years
about 25 years
12
If your hand is a set, which following is not in the set?
ring.
pinky.
index.
toe
13
Which of the following is subset of given picture?
{shirt, pants }
{shoes, socks, hat, shirt, pants}
{hat, shirt, pants}
{shoes, socks, pants}
14
Let A = {1, 3, 5} and B = {2, 4, 6 }. What is A ∩ B.?
{1, 2, 3, 4, 5, 6}
{1, 2, 3, 4, 5}
{2, 3, 4, 5, 6}
{ }
15
Who is your PA?
Edwin Jimenez
Elwin Jimenez
Elwin Jaime
Edwin Jaime
16
If A and B are sets and A ∪ B= A ∩ B, which of the following is true?
A = B
A = Φ
B = Φ
A≠ B
17
Which of the following best describe the statement ?
props. of set intersection
defn. of set union
defn. of set intersection
props. of set union
18
what is this symbol
all exists
all together
for all
anyah and aaron
19
Which of the following symbol has incorrect definition?
Q is set of irrational numbers
N set of natural numbers
Z is set of integers
R is set of real numbers
20
Which of the following best describes Houston PREP?
The Houston Pre-freshman Enrichment Program
The Houston Pre-Engineering Program
The Houston Pre-college Enrichment Program
The University Houston Downtown Pre-Engineering Program
21
find the negation of p= all teenagers have jobs
there exist a teenager without a car
all teens have jobs
some teenagers dont have jobs
there exists a teenager without a job
22
Which of the following is NOT true?
{ } Set : a collection of elements
∴ Therefore
a ⊂ B Element of : a is in B
a ∈ A Element of : a is in A
23
Which following statements is not true?
Some rational numbers are negative integers.
Every whole number is an integer
Not all integers are rational numbers.
All natural numbers are rational numbers.
24
What is this symbol?
is a subset of
is an operator of
is a direction of
is an element of
25
Which of the following best describe the statement ?
defn. of set union
defn. of set intersection
props. of set union
props. of set intersection
26
What is the zero ( 0 )?
Φ
an element shows empty set
empty set
an element
27
Which of following set that is NOT well-defined?
The set of all objects that are warm.
All students are in Houston PREP 2017
{x | x ∈ A or x ∈ B}
The set of all whole numbers between 5 and 13.
28
Which of following may NOT be used to define an individual ?
DNA
Id numbers ( social security #)
Heights and Weights
finger prints.
29
what is this symbol?
there exists
there existed
extinct
exponent
30
Let A = {a, b, c, d}, How many subsets does the set A have?
8
4
32
16

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