Question

What are the possible number of positive real, negative real, and complex zeros of
f(x) = 6x3 - 3x2 + 5x + 9?
Select one:
A. Positive Real: 1
Negative Real: 0
Complex: 2
B. Positive Real: 1
Negative Real: 2 or 0
Complex: 2 or 0
C. Positive Real: 2 or 0
Negative Real: 1
Complex: 2 or 0
D. Positive Real: 2 or 0
Negative Real: 2 or 0
Complex: 1

Answer 1

genius12 I found the answer! Thank you! :)

But can you find the answer to this one?
What are the possible number of positive real, negative real, and complex zeros of
f(x) = -7x4 - 12x3 + 9x2 - 17x + 3?
Select one:
A. Positive Real: 3 or 1
Negative Real: 1
Complex: 2 or 0
B. Positive Real: 3 or 1
Negative Real: 2 or 0
Complex: 1
C. Positive Real: 1
Negative Real: 3 or 1
Complex: 2 or 0
D. Positive Real: 4, 2 or 0
Negative Real: 1
Complex: 0 or 1 or 3