SOLUTION: The length of a rectangle is 2 ft more than twice the width. The area of the rectangle is 84 ft^2. Find the length and width of the rectangle.

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Question 199089This question is from textbook Intermediate Algebra An Applied Approach
: The length of a rectangle is 2 ft more than twice the width. The area of the rectangle is 84 ft^2. Find the length and width of the rectangle. This question is from textbook Intermediate Algebra An Applied Approach

Answer by solver91311(24713) About Me  (Show Source):
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Let represent the width. Then the length must be . The area is the length times the width, so:



Solve the quadratic for excluding the negative root to get the width.

John