Question

-2 or 6?

Answer 1

-2 and 6 are the 0's not the vertex

to find the vertex, expand the function using foil and use the x = -b/2a formula

Answer 2

2,-16

Answer 3

(2,-16) is right, good work

Answer 4

it says the format of my numeric entry is not correct

Answer 5

oh whoops it's only asking for the x-coordinate ;_;

so just 2

Answer 6

okay thanks