Question

Below is a graph that represents the total profits for a third month. Write the equation of the line that represents this graph. Show your work or explain how you determined the equations.

Answer 1

Answer:

$y=-\frac{2}{3}x +300$

Step-by-step explanation:

y=mx+b

we have two points

point A=(0,300)

point B=(450,0)

slope=m=$\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

m=$\frac{0-300}{450-0}$

m=-2/3

we need to find "b"

using point A=(0,300), we have

300=0+b

b=300

finally we have

$y=-\frac{2}{3}x +300$