Question

Determine in which direction the parabola below opens.
y = -2x^2 + 5x - 2

Answer 1

look at the leading coeffecient

Answer 2

is it positive or negative ?

Answer 3

negative

Answer 4

yes, so for large values of x, the graph sinks down.
so the graph opens DOWN.

Answer 5

in general :

leading coefficient POSITIVE : graph opens UP
leading coefficient NEGATIVE : graph opens DOWN

Answer 6

oh alright, thankyouu :)