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)

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)

Vocaloid · Answer

Part A: average change per week = (total change in temperature) / (# of weeks. Plug in the values from the problem but don’t simplify yet

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