How much does 1 cookie cost?
Using the graph you get that the cost of 1 cookie is $0.25
What’s the equation that represents the graph?
As the relationship is proportinal it follows the form y=kx, k is the change of y per 1x.
Then, k in the given situation is 0.25 and the equation that represents the graph is:
What’s does the point (8,2) mean in this context?
As the x coordinate represnets the number of cookies and the y coordinate the total cost; the point (8,2) means that the total cost for 8 cookies is $2.00