iheartfood
Which of the following expressions is a polynomial?
(answer choices inside)



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iheartfood
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Answer choices, A,B,C,D from top to bottom :)
which is a polynomial? :)

jim_thompson5910
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in order to be a polynomial, all exponents (over the variables) must be positive whole numbers

jim_thompson5910
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the exponents can't be variables

iheartfood
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okay, all the exponents are numbers in the answer choices tho


iheartfood
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except for answer choice c.


iheartfood
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so C is out then right?

jim_thompson5910
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also, the square root of variables is not allowed

jim_thompson5910
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if it were a polynomial

iheartfood
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okay so answer choice A is out... all thats left is B and D right?

jim_thompson5910
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and finally, dividing by variables (or variable expressions) isn't allowed in polynomials

iheartfood
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oaky so B is out??
my answer is D. ?? the last one on the answer choice list?


iheartfood
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kk thank youu :)