Question 339650: A large rectangular movie screen in an Imax theater has an area of 10,146 square feet. Find the dimensions of the screen if it is 25 feet longer than it is wide.
Answer by checkley77(12844)   (Show Source):
You can put this solution on YOUR website! L=W+25
LW=10,146
(W+25)W=10,146
W^2+25W-10,146=0
(W-89)(W+114)=0
W-89=0
W=89 ANS. FOR THE WIDTH
L=89+25=114 ANS. FOR THE LENGTH.
PROOF:
89*114=10,146
10,146=10,146
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