SOLUTION: The length of the batter's box on a softball field is 1 ft more than twice the width. The area of the batter's box is 78 ft2 . Find the length and width of the rectangular batte

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: The length of the batter's box on a softball field is 1 ft more than twice the width. The area of the batter's box is 78 ft2 . Find the length and width of the rectangular batte      Log On


   



Question 1173187: The length of the batter's box on a softball field is 1 ft more than twice the width. The area of the batter's box is
78 ft2
. Find the length and width of the rectangular batter's box.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
.
The length of the batter's box on a softball field is 1ft more than twice the width (x).
The area of the pool is 78 ft^2. |Note the use of '' ^ ''
w is x
L is (2x+1)
A = Lw
78ft^2 = (2x + 1)(x)
2x^2 + x - 78 = 0
Solving using the Pythagorean Theorem
x+=+%28-1+%2B-+sqrt%28+1%2B624%29%29%2F%284%29+ (tossing out negative solution for length)
x+=%28+-1+%2B+sqrt%28625%29%29%2F4+=+%28-1+%2B+25%29%2F4+=+24%2F4+=+6
x = 6ft the width of the batter's box
L = 2x +x = 13ft
Checking our Answer
6ft*13ft =78ft^2
Wish You the Best in your Studies.