Section 1.4 (3): Absolute Value/Integers/Word Problems
Ex 1: Evaluate each expression if x = 8 and y = – 3, z = – 4.
a.)
b)
c) 6|y|
d)
e)
f) Make up your own expression and simplify!
Ex 2: The average temperature of Saturn is 218°F, while the average temperature of Jupiter is 162°F. Which
planet has the lower average temperature? What is the difference in their average temperatures?
Ex 3: Your stock loses 53 points on Monday and 23 points on Tuesday, but gains 67 points on Wednesday. If
your stock started at 200 points, what is the final value of the stock?
Ex. 4: London, England, is located at 0° longitude. Write integers for the locations of New York City whose
longitude is 74° west and Tokyo whose longitude is 140° east. Assume that east is the positive direction. If a
plane flies from NY to London and then from London to Tokyo, what is the total longitudinal distance the
plane will have covered?