Question

If p(x) =ax² +bx+c and a+b + c=o, then one zero
a) -b/a b)c/a c)b/c d) none of these

Answer 1

Answer:

$p(x) = a {x}^{2} + bx + c \\ \\ sum \: of \: the \: roots = - \frac{b}{a} \\ \\ product \: of \: roots \: = \frac{c}{a}$