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Mathematics 8 Online
OpenStudy (anonymous):

is f(x)=x^3+2x^1/3 a polynomial?

OpenStudy (loser66):

@jdoe0001 so, the answer is?

OpenStudy (jdoe0001):

hehe

OpenStudy (loser66):

what does hehe mean? hahaha???

OpenStudy (anonymous):

i dont know ......

OpenStudy (loser66):

neither I. @jdoe0001 please, explain, seriously

OpenStudy (anonymous):

Im guessing its not since a polynomial consist of 2 terms

jimthompson5910 (jim_thompson5910):

a polynomial can have 2 terms

OpenStudy (anonymous):

3 term*

jimthompson5910 (jim_thompson5910):

it can have 3 terms

OpenStudy (anonymous):

oh okay

OpenStudy (anonymous):

so how can you determine if its a polynomal @jim_thompson5910

jimthompson5910 (jim_thompson5910):

look at the exponent over the second x term

jimthompson5910 (jim_thompson5910):

what is that exponent

OpenStudy (anonymous):

2?

jimthompson5910 (jim_thompson5910):

2 is the coefficient

OpenStudy (anonymous):

1/3.....?

jimthompson5910 (jim_thompson5910):

is that a whole number

OpenStudy (anonymous):

no sir

jimthompson5910 (jim_thompson5910):

so it's not a polynomial because of that

jimthompson5910 (jim_thompson5910):

all of the exponents over the variables must be positive whole numbers

jimthompson5910 (jim_thompson5910):

for it to be a polynomial

OpenStudy (anonymous):

ohh okay so it must be a whole number

jimthompson5910 (jim_thompson5910):

positive whole number, yes

OpenStudy (loser66):

Thanks @jim_thompson5910

jimthompson5910 (jim_thompson5910):

np

OpenStudy (anonymous):

alright thanks @jim_thompson5910

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