Revamp Your Study Approach: The [Introductory Mathematical Analysis for Business, Economics, and the Life and Social Sciences, Haeussler,14e] 2023 Test Bank

0.1 Sets of Real Numbers



Provide an appropriate response.



1) True or False: 6 is a rational number.

Answer: True

Type: SA

Objective: (0) Sets of Real Numbers



2) True or False: 0 is an integer.

Answer: True

Type: SA

Objective: (0) Sets of Real Numbers



3) True or False: is an irrational number.

Answer: True

Type: SA

Objective: (0) Sets of Real Numbers




4) True or False: is an integer.

Answer: False

,Type: SA

Objective: (0) Sets of Real Numbers




5) Given the numbers 4, , , π, 0, - 0.2, list those that are integers.

Answer: 4, 0

Type: SA

Objective: (0) Sets of Real Numbers




6) Given the numbers 4, -7, , π, 0, - 0.2, list those that are rational.


Answer: 4, -7, , 0, - 0.2

Type: SA

Objective: (0) Sets of Real Numbers

,7) How many of the following statements are correct?

I. -4 is a rational number


II. is an integer

III. 0 is an integer


IV. is a rational number

A) exactly one of them

B) exactly two of them

C) exactly three of them

D) all of them

E) none of them

Answer: D

Type: MC

Objective: (0) Sets of Real Numbers




8) Given the numbers 4, -7, , π, 0, - 0.2, how many are irrational?

A) exactly one

B) exactly two

C) exactly three

D) exactly four

E) none of the above

Answer: A

Type: MC

Objective: (0) Sets of Real Numbers

, 9) .212121... is a rational number. Please explain why this is true or false.


Answer: True, since .212121... =

Type: SA

Objective: (0) Sets of Real Numbers



10) True or False: π/2 is a rational number.

Answer: False

Type: SA

Objective: (0) Sets of Real Numbers



11) True or False: - is greater than 0.

A) True

B) False

Answer: B

Type: BI

Objective: (0) Sets of Real Numbers