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Mathematics 10 Online
OpenStudy (anonymous):

help? according to the theorem of algebra, how many zeros does the function below have? f (x) = 3x^4 + x + 2

OpenStudy (anonymous):

Well generally speaking, there are x zeros for the largest exponent.

OpenStudy (anonymous):

It has 4 zeros, the highest degree of the polynomial.

OpenStudy (anonymous):

thanks guys

OpenStudy (anonymous):

i have another problem dealing with this but its worded differently

OpenStudy (anonymous):

it says which of the following is a zero for the function f (x) = (x-15)(x + 1)(x-10)

OpenStudy (anonymous):

set each factor equal to 0.

OpenStudy (anonymous):

There are 3 factors, so there are 3 zeros.

OpenStudy (anonymous):

ok

OpenStudy (abbles):

I think the three zeros are 15, -1, and 10

OpenStudy (anonymous):

Zeros are the opposite of the term that you're given in the factored form of a polynomial. If it is x(x-2)(x+5), then the zeros would be 0, 2, and -5. So in your example, the zeros would be 15,-1, and 10.

OpenStudy (anonymous):

the answer choices are x = -15 x= -10 x = 1 x = 15

OpenStudy (anonymous):

A.

OpenStudy (anonymous):

Wait no, D.

OpenStudy (anonymous):

Fail.

OpenStudy (anonymous):

care to explain please?

OpenStudy (anonymous):

oh ok i understand

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