Question

The temperature of a city changed by −20 degrees Celsius over a 4-week period. The temperature changed by the same amount each week.

Part A: Write an expression to show the average change in the temperature of the city each week. (5 points)

Part B: Simplify the expression and explain, using words, what your answer means. (5 points)

Answer 1

part A: average change in temperature = (total change in temperature/total # of weeks). fill in the appropriate #'s from the problem

part B: simplify the expression from part A. your solution represents the change in temperature per week.