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Sagot :
The relationship between the sets of photos and the amount raised is an illustration of linear equations
(a) Interpret the slope and the y-intercept
From the graph, we have the following points
(x,y) = (0,25) and (1,40).
The slope (m) is calculated as:
[tex]m = \frac{y_2 -y_1}{x_2 -x_1}[/tex]
So, we have:
[tex]m = \frac{40 - 25}{1 - 0}[/tex]
[tex]m = \frac{15}{1}[/tex]
[tex]m = 15[/tex]
The slope (15) means that, they charge $15 per photo they sold
The y-intercept is the point where x = 0.
So, the y-intercept is 25
This means that, they have raised $25 before they start selling the photos
(b) Same slope but different y-intercept of 40
This means that, they have raised $40 before they start selling the photos
(c) Different slope of 12.5
The slope (12.5) means that, they charge $12.5 per photo they sold
Read more about linear equations at:
https://brainly.com/question/13729904
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