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) (Show Source): You can put this solution on YOUR website!
but in this case 
So:
\ =\ w^2\ +\ 7w)
And in this case, \ =\ 144)
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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