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That's Irrational!

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 
Which of the following numbers is a prime number?
a.
4
c.
10
b.
11
d.
20
 

 2. 
Which of the following numbers is a composite number?
a.
41
c.
47
b.
43
d.
48
 

 3. 
Which of the following has a square root that is a whole number?
a.
7
c.
9
b.
8
d.
10
 

 4. 
Which of the following has a square root that is a whole number?
a.
181
c.
323
b.
252
d.
484
 

 5. 
What is the square root of 25?
a.
3
c.
5
b.
4
d.
6
 

 6. 
What is the square root of 121?
a.
9
c.
11
b.
10
d.
12
 

 7. 
The square root of 10 is closest to which of the following?
a.
2
c.
4
b.
3
d.
5
 

 8. 
The square root of 75 is closest to which of the following?
a.
2
c.
6
b.
4
d.
8
 

 9. 
The square root of 560 is closest to which of the following?
a.
17
c.
21
b.
19
d.
23
 

 10. 
Calculate rational_files/i0110000.jpg.
a.
13
c.
16
b.
15
d.
18
 

 11. 
The number “10” is an example of...
a.
a Base 2 number
b.
A Base 10 number
 

 12. 
The number 145 can be expressed as a Base 2 number as follows:
a.
101111
c.
10010001
b.
1110011101
 

 13. 
The Base 10 number 465 can be expressed in Binary as follows:
a.
111010111
c.
11111100111
b.
111010001
 

 14. 
The Base 2 number 1110111 can be converted to Base 10 as follows:
a.
119
c.
121
b.
156
d.
133
 

 15. 
1111001 can be converted into Base 10 as follows:
a.
131
c.
400 000
b.
121
d.
158
 

 16. 
An irrational number can be best defined as follows:
a.
Something Penrose the Cat hates!
c.
Numbers that can be written as decimals but not as fractions
b.
Numbers that contain decimals
d.
Numbers that are square rooted
 

 17. 
An example of an irrational number would be...
a.
rational_files/i0180000.jpg
c.
rational_files/i0180001.jpg
b.
rational_files/i0180002.jpg
d.
rational_files/i0180003.jpg
 

 18. 
Rational numbers are really just...
a.
“real numbers”
b.
is any number that can be written as a ratio of two integers.
 

 19. 
An example of a rational number would be...
a.
rational_files/i0200000.jpg
c.
5
b.
10
d.
All of the above
 

 20. 
To find the diagonal length of a square, one uses the following formula:
a.
rational_files/i0210000.jpg
c.
rational_files/i0210001.jpg
b.
rational_files/i0210002.jpg
 

 21. 
The best way to describe my performance and effort in math thus far is as follows:
a.
Keen interest, prepared, well-studied, attentive and organized
c.
Not keeping up, disorganized, not performing where I should be
b.
Sometimes prepared, awake, somewhat organized
d.
In need of serious help.
 



 
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