SOLUTION: The length of a rectangle is 1m more than double the width, and the area of the rectangle is 66m^2 . Find the dimensions of the rectangle.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: The length of a rectangle is 1m more than double the width, and the area of the rectangle is 66m^2 . Find the dimensions of the rectangle.      Log On


   

Question 1111967: The length of a rectangle is 1m more than double the width, and the area of the rectangle is 66m^2 . Find the dimensions of the rectangle.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Dimensions are 2x+1 and x.

x%282x%2B1%29=66

Which of these?
system%282%2833%29=66%2C3%2822%29=66%2C6%2811%29=66%29
NONE.


2x%5E2%2Bx-66=0
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x=%28-1%2B-+sqrt%281%2B4%2A2%2A66%29%29%2F4
x=%28-1%2B-+sqrt%28529%29%29%2F4
x=%28-1%2B23%29%2F4
x=22%2F4=11%2F2
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Width 5.5 m, length 12 m