What 2 pieces of information will the discriminant give you?

The shape of the parabola

The number of solutions

The end behavior of the parabola

The type of solutions

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field