SOLUTION: the length of a rectangle is 7 inches longer than its width if the area of the rectangle is 144 square inches what are its demensions?

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Question 569323: the length of a rectangle is 7 inches longer than its width if the area of the rectangle is 144 square inches what are its demensions?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!




but in this case

So:



And in this case,

So:



or, in standard quadratic form:



Solve the quadratic for , discard the extraneous negative root, then calculate .

Hint: The quadratic factors.

Hint: 16 minus 9 is 7.



John

My calculator said it, I believe it, that settles it
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