SOLUTION: A rectangle has perimeter of 100 feet. Express the area A of the rectangle as a function of x. In other words, find A(x). (Picture of rectangle with y as width and x as length).
Algebra ->
Rectangles
-> SOLUTION: A rectangle has perimeter of 100 feet. Express the area A of the rectangle as a function of x. In other words, find A(x). (Picture of rectangle with y as width and x as length).
Log On
Question 211684: A rectangle has perimeter of 100 feet. Express the area A of the rectangle as a function of x. In other words, find A(x). (Picture of rectangle with y as width and x as length). Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A rectangle has perimeter of 100 feet. Express the area A of the rectangle as a function of x. In other words, find A(x). (Picture of rectangle with y as width and x as length).
-------------------
Area = xy sq. units
------------------------------
Perimeter = 2(x+y)
100 = 2(x+y)
x+y = 50
y = 50-x
-------------------
Therefore Area = x(50-x) = 50x-x^2 sq. units
===============================================
Cheers,
Stan H.
(