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Arizona State University
Math 194 College Algebra Plus Quiz 1
Graded test will be returned on 2/18/03.
Dr. S. Takahashi
Your Name:
___________________________
Your Predicted Score: _____________
Your Actual Score:
_____________
Read the following before you take this test.
1)
2)
3)
4)
5)
6)
7)
8)
9)
This is a closed book, closed notes quiz
Maximum total points for this quiz is 50.
You have 50 minutes to complete this quiz.
Show all of your work. No work  No credit
No calculators allowed for this quiz.
Use scratch paper provided by the proctor and attach to the quiz.
Make sure you indicate your solutions by circling or boxing your final answers.
Before you start, make sure you have all 13 questions.
No rubber-necking.
Good luck.
Problem #
1
2
3
4
5
6
7
Score
/4
/2
/3
/3
/3
/2
/2
Problem #
8
9
10
11
12
13
Total
Score
/5
/4
/4
/8
/6
/4
/50
Mat 194 Quiz 1: S. Takahashi
Page 2 of 4
1. Consider the following set of some real numbers. Determine which numbers in the set are
1) natural numbers 2) integers 3) rational numbers 4) irrational numbers


The set is:   7 , 8,
5

, 3 ,  , 0.5, 100
8

2. Sketch the subset given below on the real number line.
The subset is: 3  x  5
3. Calculate the distance between the following two points.
a
3
11
, b
5
5
4. Factor the following number into primes.
60 =
5. Simplify.
ア）
イ）
5x 6
x2
x  80

ウ）  3x 3
, x8
 6x 
2
2 1
6. Write each number in scientific notation.
ア） 0.0000345
イ） 45,300,000
Copyright: S. Takahashi Arizona State University
Mat 194 Quiz 1: S. Takahashi
7.
Evaluate.
ア）
16
イ）
27 2 3
8. Simplify.
ア） 21 2  2 3 2
イ）
ウ）
エ）
4x 2
(Be careful)
3
2 5
6 a 7 a
9
オ）
3
3xy 
2 2
9. Find the product. Write your result in standard form wherever applicable.


①
 2x 5  x 4
②
x  7 x  12
③
x  1  y2
④
3x  2 y 3x  2 y 
Copyright: S. Takahashi Arizona State University
Page 3 of 4
Mat 194 Quiz 1: S. Takahashi
Page 4 of 4
10. Determine whether each expression below is polynomial or not. If it is, then state its degree and
identify the leading coefficient.
①
 3  x 2  7x
②
4 x 3  8 x 2  16 x  12 x 2
11. Factor each expression.
①
 11xx  1  13xx  1
②
25a 2  36
③
x 2  8 x  16
④
4u 2  17u  15
⑤
x 3  2x 2  2x  4
12. Simplify.
ア）
x 2  2x  1
xx  1
イ）
52 x  y  32 x  y 

7
4
ウ）
x
3

x3 x3
13. State the domain of each of the following expression.
①
②
2x
x9
47
x  19
Copyright: S. Takahashi Arizona State University