SOLUTION: Given the diagram below, find the dimensions of the rectangle if the area is 128 square feet.
Rectangle Area=(x-1)(x+7)
I have no idea how to do this and if you could please
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Question 1078770: Given the diagram below, find the dimensions of the rectangle if the area is 128 square feet.
Rectangle Area=(x-1)(x+7)
I have no idea how to do this and if you could please explain the steps that would be awesome!
Thank You!!!
Found 2 solutions by stanbon, MathTherapy:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Given the diagram below, find the dimensions of the rectangle if the area is 128 square feet.
Rectangle Area=(x-1)(x+7)
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x^2 + 6x - 7 = 128
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x^2 + 6x - 135 = 0
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(x-9)(x+15) = 0
x = 9
---
Dimensions::
x-1 = 10 ft.
x+7 = 16 ft.
--------------------
Cheers,
Stan H.
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
Given the diagram below, find the dimensions of the rectangle if the area is 128 square feet.
Rectangle Area=(x-1)(x+7)
I have no idea how to do this and if you could please explain the steps that would be awesome!
Thank You!!!
Dimensions:
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