7 yard gain: 7 10 yard loss: –10 9 yard gain: 9 EXAMPLE 1 Writing Integers In three plays of a football game, there is a gain of 7 yards, a loss of 10 yards, and a gain of 9 yards. Use integers to represent the gains and losses. 7 yard gain: 7 10 yard loss: –10 9 yard gain: 9 A bank account has deposits of $100 and $150 and a withdrawal of $75. Use integers to represent the deposits and withdrawals. $100 deposit: $100 $150 deposit: $150 $75 withdrawal: – $75
Write the opposite of the integer. GUIDED PRACTICE for Example 1 Write the opposite of the integer. 3. –35 1. 15 ANSWER –15 ANSWER 35 2. –8 4. 100 ANSWER 8 ANSWER –100
$200 deposit: $200 $100 withdrawal: – $100 GUIDED PRACTICE for Example 1 What If? 5. The bank account from Example 1 has an additional deposit of $200 and withdrawals of $100 and $250. Use integers to represent the deposits and withdrawals. $200 deposit: $200 $100 withdrawal: – $100 $250 withdrawal: – $250 ANSWER