Question

If x+4 is a factor of a polynomial, then f(-4)=0

true or false

Answer 1

True

Explanation:

if (x + a) is a factor of f(x) then f(- a) = 0 and (x + a) is a factor of f(x)

given (x + 4) is a factor of polynomial f(x) , then

f(- 4) = 0