Finding the slope using two points:
The formula for slope is
In this case...
^^^Plug these numbers into the formula for slope...
^^^Can be further simplified to...
^^^This is your slope
Hope this helped!
~Just a girl in love with Shawn Mendes
-3/4 is the correct answer.
I hope this helps you, and have a wonderful day!
a. since the profit made in 2012 is equal to the profit made in 2014, the profit is symmetric about the line y = 120,000.