Question

The surface of a football field is shaped like a parabola. The cross section of a field with synthetic turf can be modeled by the equation y=-0.000234x(x-120) where x is the horizontal distance and y is the height in feet. How wide is the field?

Answer 1

Answer: The width of the field = 120

Step-by-step explanation: This question can be solved by first opening of the bracket, then relating the equation to quadratic general equation and finally solve for domain of X by using quadratic formula.

Please find the attached file for the solution.