SOLUTION: Jen has $12 in her wallet and begins saving money every day. At the end of the tenth day, she has $72. Determine the rate of change and the y-intercept for this situation. Slope-in

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Jen has $12 in her wallet and begins saving money every day. At the end of the tenth day, she has $72. Determine the rate of change and the y-intercept for this situation. Slope-in      Log On


   

Question 1131938: Jen has $12 in her wallet and begins saving money every day. At the end of the tenth day, she has $72. Determine the rate of change and the y-intercept for this situation. Slope-intercept form.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
In 10 days she increased the money $60 or $6 per day.
She started with the fixed amount $12.
The rate of change is $6/day, y-intercept is $12
y=6x+12
(0, 12) and (10, 72) are points.