SOLUTION: A rectangle has a length of x ft and a width of (x+11) ft. Find the dimensions of the rectangle if the area of the rectangle is 126 ft^2

Algebra ->  Rectangles -> SOLUTION: A rectangle has a length of x ft and a width of (x+11) ft. Find the dimensions of the rectangle if the area of the rectangle is 126 ft^2      Log On


   



Question 835277: A rectangle has a length of x ft and a width of (x+11) ft. Find the dimensions of the rectangle if the area of the rectangle is 126 ft^2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The area of a rectangle is A%5Br%5D=L%2AW
x%28x%2B11%29=126
x%5E2%2B11x-126=0
%28x%2B18%29%28x-7%29=0
Two solutions:
x%2B18=0
x=-18 This solution doesn't make sense for this problem since length must be positive.
x-7=0
x=7
L=7
W=7%2B11=18