Question

What is the discriminant of f(x)=-3x^2-2x-1?
A. -16
B. -8
C. 8
D. 16

Answer 1

\(\bf f(x)={\color{blue}{ -3}}x^2{\color{red}{ -2}}x{\color{green}{ -1}}
\qquad \qquad
{ {\color{red}{ b}}^2 -4{\color{blue}{ a}}{\color{green}{ c}}}\impliedby discriminant\)

Answer 2

okay so b? thanks :)