Intermediate Algebra (11th edition)

CHAPTER 2 Test 131

95. 96.

97.Concept Check If what is the solution set of each of the following?

(a) (b) (c)

In Exercises 98 and 99, sketch the graph of each solution set.

98. and 99. or
    100.The numbers of civilian workers (to the nearest thousand) for several states in 2008
    are shown in the table.

x 76 x 68 - 5 x+ 1 Ú 11 3 x+ 5 Ú 26

| 5 x+ 3 | 6 k | 5 x+ 3 | 7 k | 5 x+ 3 |=k

k 6 0,

| 3 x- 7 |= 4 512 x- 72 = 215 x+ 32

State Female Male

Illinois 2,918,000 3,345,000

Maine 320,000 349,000

North Carolina 2,016,000 2,242,000

Oregon 869,000 976,000

Utah 571,000 755,000

Wisconsin 1,427,000 1,526,000

Number of Workers

Source:U.S. Bureau of Labor Statistics.

List the elements of each set.

(a)The set of states with less than 3 million female workers andmore than 3 million

male workers

(b)The set of states with less than 1 million female workers ormore than 2 million

male workers

(c)The set of states with a total of more than 7 million civilian workers

Solve each equation.

1.

2.

3.

4.Solve each equation. Then tell whether the equation is a conditional equation,an identity,

or a contradiction.

(a)

(b)

(c)

5.Solve for h.

6.Solve for - 16 t^2 +vt-S= 0 v.

V=^13 bh

• 412 x- 62 = 5 x+ 24 - 7 x

x

3

+ 7 =

5 x

6

- 2 -

x

2

+ 9

3 x- 12 - x 2 + 4 x+ 2 = 8 x+ 3

x+ 6

10

+

x- 4

15

=

x+ 2

6

0.08x+0.06 1 x+ 92 =1.24

312 x- 22 - 41 x+ 62 = 3 x+ 8 +x

TEST

CHAPTER 2

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

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