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Mathematics 15 Online
Wolfdanger:

How many zeros does the function f(x) = 4x11 − 20x7 + 2x3 − 15x + 14 have? 11 7 5 3

psirockin2:

11 zeroes

Wolfdanger:

thx

Angle:

That is incorrect.

ILovePuppiesLol:

false

Wolfdanger:

what is it

psirockin2:

3?

Angle:

Wolf, are you looking for imaginary answers as well?

Wolfdanger:

no

Wolfdanger:

I think it's 7

Angle:

are you allowed to use a (graphing) calculator?

Wolfdanger:

yea think so

Angle:

http://prntscr.com/cit62a here is the graph how many times does it look like it crossed the x axis?

Wolfdanger:

2 times don't yell if I'm wrong

Angle:

hopefully this makes it more clear what I mean... http://prntscr.com/cit6yk

Wolfdanger:

oh 3 times

Angle:

yup

Wolfdanger:

thx

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