SOLUTION: A rectangular poster covers an area of 2 square feet on a bulletin board. The width of the poster is 1 foot more than its length.
Find the length and width of the poster, in fee
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Question 877168: A rectangular poster covers an area of 2 square feet on a bulletin board. The width of the poster is 1 foot more than its length.
Find the length and width of the poster, in feet.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
x*(x+1) = 2
x^2 + x = 2
x^2 + x - 2 = 0
(x - 1)(x + 2) = 0
x - 1 = 0 or x + 2 = 0
x = 1 or x = -2
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Toss out the negative solution
The only solution is x = 1
Length: x = 1
Width: x+1 = 1+1 = 2
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