Absolute Values and Opposites
abs(-3)
3
12+(-18)
-6
4.6+19.2
23.8
The overnight temperature is -12 degrees Fahrenheit. During the day the temperature rises 18 degrees. What is the temperature during the day?
6 degrees
abs(5)
5
9-12
-3
2/3-(-2/3)
4/3 or 1 1/3
Your bank account has a balance of -$7.28. How much will you need to deposit to reach a balance of $45?
$52.28
Find the opposite of -12.6
12.6
-24+(-7)
-31
-3/5+(-3/10)
-9/10
Your bank account has a balance of -$21.77. What will the new balance be after a deposit of $32.50?
$10.73
True or False:
abs(-7)<abs(5)
False
18-(-11)
29
-4.3-6.7
-11
What is the distance between the highest point on earth (Mt. Everest, 29,032 feet above sea level) and the lowest point on earth (Challenger Deep, 36,200 feet below sea level)?
65,232 feet
When is a number's absolute value the same as its opposite?
When the number is negative or zero.
-17+12-(-3)
-2
7/9+(-3/2)-1/3
-19/18 or -1 1/18
A pilot takes off from Lake County Airport in Leadville, Colorado (elevation: 9,934 feet above sea level) and lands at Furnace Creek Airport in Inyo County California (elevation: 208 feet below sea level). What is the pilot's change in elevation between takeoff and landing?
-10,142 feet