SOLUTION: Elissa wants to set up a rectangular dog run in her backyard. She has 36 feet of fencing to work with and wants to use it all. If the dog run is to be x feet long, express the area

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Elissa wants to set up a rectangular dog run in her backyard. She has 36 feet of fencing to work with and wants to use it all. If the dog run is to be x feet long, express the area      Log On


   

Question 348649: Elissa wants to set up a rectangular dog run in her backyard. She has 36 feet of fencing to work with and wants to use it all. If the dog run is to be x feet long, express the area of the dog run as a function of x.
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
Your question is not very clear.

The area of a rectangle of side x is S=x^2.

I suppose you wanted the area. So : a rectangle has 4 sides, so 4*x=36. The

side is 9. So the area is 9^2 or 9*9 and equals 81.

I hope I helped.