SOLUTION: The length of a rectangle is 11 more than twice the width, and the area of the rectangle is 63m^(2) . Find the dimensions of the rectangle

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: The length of a rectangle is 11 more than twice the width, and the area of the rectangle is 63m^(2) . Find the dimensions of the rectangle      Log On


   

Question 844693: The length of a rectangle is 11 more than twice the width, and the area of the rectangle is 63m^(2) . Find the dimensions of the rectangle
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

The length of a rectangle is 11 more than twice the width +highlight_green%28x%29+

A = l%2Aw%29

(2x+11)x = 63m^2

 2x^2 + 11x - 63 = 0

(2x -7)(x+ 9) = 0,   x = 7/2  (Tossing out the negative solution for unit measure)

 width is 3.5m   and length is 18m             2%287%2F2%29+%2B+11

CHECKING our answer***

%283.5m%29%2818m%29+=+63+m%5E2

Wish You the Best in your Studies.