Math
posted by Praphul .
A gardener is putting a fence along the edge of his garden. If he has 20 m of fence , what is the largest area he can enclose? How can a graph solve the problem? What quadratic equation represents the area of the garden?

Not clear about your question.
Does he put a fence around a rectangular garden, on all 4 sides?
Often , for this kind of question , one side is not neede. Please clarify . 
It's a rectangular garden,on all 4 sides,and how does a graph solve the problem?

It's a rectangular garden and the fence is on 4 sides,my question is how does graph help