+68 Robert wants to fence a rectangular plot of land of at least 500 square feet while using the least amount of fencing possible. He wants the width of the plot to be 5 ft longer than the length. What is the width of the plot?
+37146 x (x+5) = 500 (at least)
x^2+5x-500 = 0 quadratic formula shows x = 20 plot is 20 x 25 '
20 x 25 = 500 sq ft
perimeter = 90 feet
+37146 x (x+5) = 500 (at least)
x^2+5x-500 = 0 quadratic formula shows x = 20 plot is 20 x 25 '
20 x 25 = 500 sq ft
perimeter = 90 feet
