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Practical Exercise 2

[DOCUMENT]: This document contains a 10 question multiple choice exercise about rational and irrational numbers, operations with integers and fractions, simplifying expressions, and performing fractional representations. It also contains 5 math expression problems involving operations with integers, fractions, radicals, and order of operations. The goal is to choose the correct answer from the options provided or complete and simplify the given expressions.

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MarkAnthonyS.Lopez
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96 views2 pages

Practical Exercise 2

[DOCUMENT]: This document contains a 10 question multiple choice exercise about rational and irrational numbers, operations with integers and fractions, simplifying expressions, and performing fractional representations. It also contains 5 math expression problems involving operations with integers, fractions, radicals, and order of operations. The goal is to choose the correct answer from the options provided or complete and simplify the given expressions.

Uploaded by

MarkAnthonyS.Lopez
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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PRACTICAL EXERCISE NO.

2
I. Multiple Choice. Encircle the letter corresponding to the correct answer. If there is
none, write N.
1. Which of the following is a rational number?
a.

b. 3 3
c. i
d. 1.333
2. Which of the following set is not synonymous to {1,2,3,}
a. Positive numbers
b. Counting numbers
c. Natural numbers
d. Positive integer
3. The number -1,2626 is
a. Irrational number
b. Negative integers
c. Integer
d. Fraction
4. The set {,-3,-2,-1,0} is also called
a. Negative integers
b. Whole number
c. Nonnegative integers
d. Nonpositive integer
5. Which of the following is defined (i.e. value exist)?
a. 4
b. 3 8
c. 4 4
d. 6 2
6. What value of x will give 1/(x+2) undefined?
a. 0
b. -1/2
c. -2
d. 2
7. The decimal 0.333 is called
a. Nonrepeating terminating
b. Repeating terminating
c. Repeating
d. Terminating
8. Simplify: 4 82 ( 4 ) 4=
a. -1
b. 1
c. -4
d. 4
9. Simplify: 4 8 2+ 3 (2 )=
a. 4
b. 18
c. -26
d. -18
10. |-2| - |-4| =
a. -6
b. -2
c. 2
d. 6

II. Complete the fractional representation of each of the following and check the result
obtained

1. a. 2.333
b. 3.666

2. a. 134.444
b. 156.666

III. Perform the indicated operations.

1. a. -4 - (-11) 4
b. -4 11 + 18

2. a. 16 (-3)(8)
b. 2(-15) (-5)

3. a. -3(2) + (-2)(-3)
b. [-4(3)] [2(9)]
2
4. a. (6 4)3
2
b. 6 ( 4 3)

2 2
5. a. 4 4(3 ) (3)
2 2 2 2
b. (2 ) ( 4 ) 2 (3 )(1 )

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