Question

http://prntscr.com/8xd5z4
answers: http://prntscr.com/8xd63y http://prntscr.com/8xd66y http://prntscr.com/8xd6aj http://prntscr.com/8xd6d7

Answer 1

http://prntscr.com/8xd6g1
Answers: http://prntscr.com/8xd6ij http://prntscr.com/8xd6kw

Answer 2

the one with the question is an answer too

Answer 3

Is there another graph?

Answer 4

yes ill put it in a second cause it wont show

Answer 5

Hint: If a is negative, the graph will open downward.

Answer 6

Openstudy is too slow for me right now
I might not be able to help

Answer 7

so its between a and b @Directrix

Answer 8

and its fine @GabeBae

Answer 9

No. They open upward if I'm looking at the right ones.

Opening downward is something like this: