EXAMPLE 1

1. EXAMPLE 1 StandardizedTest Practice

2. EXAMPLE 1 StandardizedTest Practice SOLUTION The shuttle’s computers take over at T– 31 seconds. The correct answer is B.

3. GUIDED PRACTICE for Example 1 Write the integer that represents the situation. 1.a$15 profit ANSWER 15 2. a9point decrease ANSWER – 9 3. a loss of5yards ANSWER – 5

4. EXAMPLE 2 Identifying Opposites Find the opposite of –3.

5. EXAMPLE 2 Identifying Opposites Find the opposite of –3.

6. EXAMPLE 2 Identifying Opposites Find the opposite of –3. ANSWER The opposite of –3 is 3.

7. EXAMPLE 3 EXAMPLE 3 Comparing Integers Comparing Integers Compare –8 and –5.

8. EXAMPLE 3 EXAMPLE 3 Comparing Integers Comparing Integers Compare –8 and –5.

9. EXAMPLE 3 EXAMPLE 3 Comparing Integers Comparing Integers Compare –8 and –5. ANSWER Because –8 is to the left of –5 on the number line, –8 <–5.

10. EXAMPLE 3 EXAMPLE 4 Ordering Integers Comparing Integers Sports In a golf tournament, the player with the lowest score wins. The table shows the scores of several golfers (including the winner) in a recent Masters Tournament. Who won? SOLUTION ANSWER Phil Mickelson won with the lowest score of –9.

11. for Examples 2, 3, and 4 GUIDED PRACTICE Find the opposite of the integer. ANSWER 4. 8 –8 ANSWER 5. –7 7 0 6. 0 ANSWER ANSWER 1 7. –1

12. for Examples 2, 3, and 4 GUIDED PRACTICE Copy and complete the statement using < or >. 8. –2 ? 2 ANSWER < 9. 0 ? –1 ANSWER > 10. –8 ? –9 > ANSWER 11. –5 ? –4 ANSWER <

13. for Examples 2, 3, and 4 GUIDED PRACTICE What If? 12. Suppose the scores in another golf tournament are –14, 4, –5, 0, and –16. Which score is the lowest? ANSWER –16