Figure 2-18
Relationship between Price and Restaurant Meals
-Refer to Figure 2-18. The slope of the line containing points Y and Z is

Question

Figure 2-18
Relationship between Price and Restaurant Meals 
-Refer to Figure 2-18. The slope of the line containing points Y and Z is

Quizplus · Accepted Answer

The slope is calculated as the change in y divided by the change in x. From point Y to point Z, the change in y is -8 (decrease in price) and the change in x is +2 (increase in number of meals). Therefore, the slope is -8/2 = -4. The correct choice is C.

Figure 2-18 Relationship Between Price and Restaurant Meals