King Fahd University of Petroleum and Minerals

Faculty of Science Per-Year Math Program

Math 001 - Term 032

Recitation hour (P.1 and P.2)

 

Please cover at least 4 questions

 

Question1:

 

For each number, check all that apply.

 

 

Natural

Integer

Rational

Irrational

Real

Prime

Composite

Perfect Square

1

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.14

 

 

 

 

 

 

 

 

51

 

 

 

 

 

 

 

 

1.333

 

 

 

 

 

 

 

 

1.121221222

 

 

 

 

 

 

 

 

105

 

 

 

 

 

 

 

 

10.5

 

 

 

 

 

 

 

 

 

 

 

Question2:

 

Identify the property of real numbers or the property of equality that is illustrated in the following statements:

 

1)    

2)    

3)     If and , then

4)     If and , then

 

Question3:

 

Let A=

B=.

 

1)     List all elements of A and B

2)     Find AB

 

Question4:

 

Write each of the following without absolute value symbols

,

 

Question5:

 

TRUE or FALSE

 

1)     is the multiplicative inverse of .

2)     0, 1, 2, 3, 4, are positive integers .

3)     Any integer is either prime or composite.

4)     The operation of division of real numbers is commutative.

5)     The multiplicative inverse of is .

6)     If is any real number, then.

7)     If is any real number, then.

8)     If , then.

9)         The inequality or can be written in interval notation as .

10)    If the distance between a real number and -3 is not more than 8

, then .