Question

Select the correct answer.

The zeros of a quadratic function are 6 and -4. Which of these choices could be the function?
A.
f(x) = (x + 6)(x + 4)
B.
f(x) = (x-6)(x + 4)
C.
f(x) = (x + 6)(x-4)
D.
f(x) = (x-6)(x-4)

Answer 1

I think the answer is B.

Solution: f(x) =x²+2x-24

= (x + 6)(x-4)

= x+6=0 x-4=0

=x=-6 x=4