It is the end of the semester, and the clubs at school are recording their profits. The Science Club started out with
Create an equation for each club. Let
represent the number of weeks and represent the balance of the club’s account.
Review your work from the problems in this lesson.
Now write an equation for the Math Club.
Graph both lines on one set of axes. When do the clubs have the same balance?
Where do the lines intersect?
What is the balance at that point?
What is the
-value of the intersection point?