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OpenStudy (anonymous):
What are the possible number of negative zeros of f(x) = –2x7 + 2x6 + 7x5 + 7x4 + 4x3 + 4x2 ?
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OpenStudy (anonymous):
I think it's 0!
OpenStudy (anonymous):
the only choice is 2 or zero
OpenStudy (anonymous):
3 0r 1
OpenStudy (anonymous):
then zero!
OpenStudy (anonymous):
4,2,0
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OpenStudy (anonymous):
2 or 0!
OpenStudy (anonymous):
(4+x)x2 + (7+7x)x4 + (2-2x)x6
OpenStudy (anonymous):
x=-4 works, x=-1 works
OpenStudy (anonymous):
2 negative roots
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