Polynomials: Word Problem 2
Football
A football field's dimensions can be represented by a width of [math]\left(\frac{1}{2}x+10\right)[/math] feet and a length of [math]\left(\frac{5}{4}x-15\right)[/math] feet.
1
Find an expression for the area [b][i]A[/i][/b] of a football field. Give your answer as a quadratic trinomial.
2
An actual football field is [b][i]160 feet[/i][/b] wide and [b][i]360 feet[/i][/b] long. For what value of [b][i]x[/i][/b] does the expression you wrote in [b][i]Problem 1[/i][/b] give you these dimensions?