Question

what is the value of the x-coordinate of the vertex of the function show below?
f(x)=(x+6)(x-2)

Answer 1

what is the middle point of -6 and 2?

Answer 2

it says here that i would have too look for the vertex....

Answer 3

I know, but why don't you go to the easiest way?? why do you have to go around when you can figure it out in 1second?

Answer 4

because i have a test and i put in the ones i get wrong so i could get them right on the real one and so far it has worked :P

Answer 5

I don't think my way is wrong. Ok, let go to the end and check, then. Answer me, what is the middle point?

Answer 6

ok

Answer 7

You don't know??

Answer 8

i am assuming that it is -4