Find the possible positive, negative, and complex zeros of this function using Descartes' Rule:

f(x) = x^3 - 12x^2 + 28x - 9

My answer:
Positive: 3 or 1
Negative: 0
Complex: 2 or 0

Question

Find the possible positive, negative, and complex zeros of this function using Descartes' Rule:

f(x) = x^3 - 12x^2 + 28x - 9

My answer:
Positive: 3 or 1
Negative: 0
Complex: 2 or 0

anonymous · Answer

i just need to know if my answer right or wrong.

anonymous · Answer

Your answer is correct

anonymous · Answer

There is a difference between actual and possible. Lusis gave you the actual, while you correctly listed the possible.

anonymous · Answer

you're right

anonymous · Answer

oh ok. thanks, i was asking for the possible not the actual.