lindseyharrison
A classroom has a volume of x3 + 5x2 – 2x – 24 ft3 and the height is x – 2 ft. The floor is represented by what polynomial?
x2 + x + 7
x2 – 7x + 7
x2 + x – 12
x2 + 7x + 12
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arlen
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volume = area of floor * height
ParthKohli
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I think that you mean "area of the floor".
arlen
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area of floor= volume/ height
ParthKohli
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For the area of floor, divide x - 2 from that polynomial.
ParthKohli
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For that, do synthetic division, long division or any other crappy method.
arlen
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lindsey you there?
lindseyharrison
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yes i am
arlen
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cool....you can do this now...
arlen
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\[\frac{ x^3+5x^2-2x-24 }{ x-2 }\] hope that helps you Lindsey
lindseyharrison
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A?
arlen
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no
Dallasb22
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Arlen, is it B?
lindseyharrison
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It's C!
CliffSedge
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I'd recommend synthetic division.
arlen
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yes
jim_thompson5910
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it's not C
arlen
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sorry it's D
hba
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|dw:1346784937157:dw|
hba
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^ synthetic division method :)