1.3 Test Prep

Each day, the total number of people who visit a city's public library is recorded. The change from the same day last year is also recorded. The changes of four consecutive days are shown below: Monday: +127 Tuesday: -18 Wednesday: +19 Thursday: -209 Which day had the greatest change in the number of visitors compared to the same day last year?

• Monday
• Tuesday
• Wednesday
• Thursday

What is the absolute value of -47?

Which bank balance represents the greatest amount owed?

• A balance of -$20
• A balance of $27
• A balance of -$50
• A balance of -$36

Which statement is correct?

• l8l=-8
• l10l>l-9l
• l-2l < 1

• l0l>0