MissMathmatics
f(x)=2x^33x^2+3x2
How many zero's does it have, How many real zeros and what are the real solutions? (This is just an Example on my paper)



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Goten77
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1st derivative test?

MissMathmatics
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Yes

Goten77
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well that wont help much but the general rule is whatever power its to is how many zeroes it will have 1

MissMathmatics
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It asks for the total number of zeros
Then asks the number of real zeros

MissMathmatics
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It says Function has _____ total zeros
and Function has ______ real zeros.

Goten77
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k so what ied do is 1st factor and get
(x1)(2x^2 x+2)
then set that = to 0

MissMathmatics
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& Solve for X ?

Goten77
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yes...well its obvious x=1 is the 1st zero since x1=0 x=1
now the 2nd 1 is the quadratic part

MissMathmatics
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Oh okay . Ty (: