Question

for y=(x+2)(x-1) do the function open up or down

Answer 1

expand the binomials, multiply them, what do you get?

Answer 2

I'm lost

Answer 3

what does this give you?
(x+2) times (x-1)

Answer 4

2 & 1 rite?

Answer 5

(x) times (x-1)
(+2) times (x-)

Answer 6

Omg I dnt understand

Answer 7

This is so complicated

Answer 8

well, what you have is a parabola, so if you'd like to read about it http://www.mathsisfun.com/geometry/parabola.html