CHAPTER 1 Test^83
1.Write in lowest terms. 2.Add: 3.Divide:4.Trueor false?
5.Graph the group of numbers on a number line.
6.To which of the following sets does belong: natural numbers, whole numbers, inte-
gers, rational numbers, irrational numbers, real numbers?
7.Explain how a number line can be used to show that is less than
8.Write in symbols: The quotient of and the sum of 2 and Simplify the expression.Perform each indicated operation.13. 14.
Find the solution of each equation from the set.Evaluate each expression, given andSolve each problem.
19.The highest elevation in Argentina is Mt. Aconcagua, which is 6960 m above sea level.
The lowest point in Argentina is the Valdés Peninsula, 40 m below sea level. Find the dif-
ference between the highest and lowest elevations.5 x+ 7 y
31 x+y 23 x- 4 y^2x=- 2 y=4.- x+ 3 =- 3 - 3 x=- 12
5 - 6, - 4, - 2, 0, 2, 4, 66
301 - 1 - 22
- 933 - 1 - 224 - 121 - 22
1 - 52 1 - 122 + 41 - 42 + 1 - 822
- 6 - 3 - 7 + 12 - 324 42 + 1 - 82 - 123 - 62
- 5
1
2
+ 2
2
3
- 2 - 15 - 172 + 1 - 62
- 6 - 8.
- 8 - 1.
-^23
- 1, -3, |- 4 |, |- 1 |
43 - 20 + 71 - 224 ... 135
19
15
,
6
5
.
5
8
+
11
12
+
7
15
(^6399).
TEST
CHAPTER
View the complete solutions to
all Chapter Test exercises on
the Video Resources on DVD.
Step-by-step test solutions are found on the Chapter Test Prep Videos
available via the Video Resources on DVD, in , or on
(search “LialBeginningAlgebra”).
1
The bar graph shows public high
school (grades 9–12) enrollment in
millions for selected years from
1980 to 2005 in the United States.
Use a signed number to represent
the change in enrollment for each
period.
147.1980 to 1985
148.1985 to 1990
149.1995 to 2000
150.2000 to 2005
0
Year
Public High School Enrollment
Source: U.S. National Center for Education Statistics.
10
Students (in millions)
15
11
12
13
14
1980 1985 1990 1995 2000 2005
13.23
12.39
11.34
12.50
13.52
14.91
CHAPTER
VIDEOS