SOLUTION: A picture is 6 inches longer than it is wide and has an area of 181 square inches. What are dimensions of the pictures. Round your answer to two decimal places

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Question 742443:
A picture is 6 inches longer than it is wide and has an area of 181 square inches. What are dimensions of the pictures. Round your answer to two decimal places
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
L=W+6
AREA=LW
181=(W+6)W
181=W^2+6W
W^2+6W-181=0
W+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
W=(-6+-SQRT(-6^2-4*1*-181))/2*1
W=(-6+-SQRT(36+724))/2
W=(-6+-SQRT760)/2
W=(-6+-27.57)/2
W=(-6+27.57)/2
W=21.57/2
W=10.78 ANS.
W=(-6-27.57)/2
W=-33.57/2
W=-16.78 ANS.