Page 144 - Basic College Mathematics with Early Integers

Vocabulary and Readiness Check

Use the choices below to fill in each blank. Not all choices will be used.
opposites absolute value right is less than

inequality symbols negative positive left
signed integers is greater than

1. The numbers Á , -3, -2, -1, 0, 1, 2, 3, Á are called .
2. Positive numbers, negative numbers, and zero, together, are called numbers.
3. The symbols “ ” and “ ” are called .
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4. Numbers greater than 0 are called numbers, while numbers less than 0 are called
numbers.
5. The sign “ ” means and “ ” means .
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6. On a number line, the greater number is to the of the lesser number.
7. A number’s distance from 0 on a number line is the number’s .
8. The numbers -5 and 5 are called .

2.2 Exercise Set FOR EXTRA HELP

Objective Represent each quantity by an integer. See Example 1.

1. A worker in a silver mine in Nevada works 1445 feet 2. A scuba diver is swimming 35 feet below the
underground. surface of the water in the Gulf of Mexico.

3. The peak of Mount Elbert in Colorado is 4. The lowest elevation in the United States is found at
14,433 feet above sea level. (Source: U.S. Death Valley, California, at an elevation of 282 feet
Geological Survey) below sea level. (Source: U.S. Geological Survey)

5. The record high temperature in Nevada is 6. The Minnesota Viking football team lost 15 yards
118 degrees above zero Fahrenheit. (Source: on a play.
National Climatic Data Center)

7. The average depth of the Atlantic Ocean is 8. The Dow Jones stock market average fell 317 points
11,730 feet below the surface of the ocean. in one day.
(Source:World Almanac)

9. Ford Motor Company posted a 5-year decline rate in 10. Ford Motor Company posted sales of $132 billion
sales of almost 8 percent.Write an integer to represent over the past 12 months.Write an integer to
the percent decrease or decline. (Source: Thomson represent the billions of dollars in sales. (Source:
Reuters) Thomson Reuters)

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