The graph shows the girth, in cm, of the trunk of a fir tree after different numbers of years:

What does the slope of the graph represent?

The girth increases by 7 centimeters each year.

The girth increases by 5 centimeters each year.

The original girth was 5 centimeters.

The original girth was 7 centimeters.

Question

The graph shows the girth, in cm, of the trunk of a fir tree after different numbers of years:


 What does the slope of the graph represent?

 The girth increases by 7 centimeters each year. 

The girth increases by 5 centimeters each year. 

The original girth was 5 centimeters. 

The original girth was 7 centimeters.

ttp · Answer

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jim_thompson5910 · Answer

the two points (0,5) and (5,40) lie on this line

use the slope formula

$$\Large m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$$

to find the slope