Question

determine between which consecutive integers one or more real zeros of f(x)=-x^3+2x^2-x-5 are located

Answer 1

@Directrix

Answer 2

This polynomial is a cubic and may have 3 real roots. Or, maybe 1 real root and 2 nonreal roots. Let's think.

Do you know the rational root theorem? --> @cutegirl

Answer 3

kindof not really;/

Answer 4

I don't see a rational root. Let's try a graph.