Question

the graph shows tracys earnings from babysitting. does the graph show a proportional relationship? if so, what is the constant of proportionality and what does it represent? explain your answers.

Answer 1

The constant of proportionality is 7 and this represents the amount she charges per hour.

Explanation:

We can find this total by using the direct proportion or direct variation equation along with any of the points.

y = kx

14 = k(2)

7 = k

Which shows our constant.