-The above figure shows the relationship between the price of a slice of pizza and how many slices of pizza Ricardo buys in a week.Between points A and B,the slope of the line equals
A)-4.
B)-1.
C)-3.
D)-2
E)-5.

Question

-The above figure shows the relationship between the price of a slice of pizza and how many slices of pizza Ricardo buys in a week.Between points A and B,the slope of the line equals
A)-4. 
B)-1. 
C)-3. 
D)-2 
E)-5.

Quizplus · Accepted Answer

The slope of a line is calculated as the change in the y-coordinate divided by the change in the x-coordinate between two points. If the slope is -1, it means for every unit increase in price, Ricardo buys one less slice of pizza.

-The Above Figure Shows the Relationship Between the Price of a Slice