SOLUTION: The length of a rectangle is two inches less than its width. If the area of the rectangle is 112 square inches, find the length of the rectangle.
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Question 362382: The length of a rectangle is two inches less than its width. If the area of the rectangle is 112 square inches, find the length of the rectangle.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
width =x
length = x-2
area = 112
x(x-2)=112
x^2-2x=112
x^2-2x-112=0
..
discriminant = 452
x1=
x1=11.63 inches
x1=
x2 =-9.6 is negative so ignore
..
length = 11.6-2 = 9.63 in
...
m.ananth@hotmail.ca
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