please help! Only question I don't understand!
I'll give medal
Write the function f(x) = -2x2+ 8x- 5 in standard form and determine the direction and vertex of the parabola.

Question

jdoe0001 · Answer

so, what would be the standard form of that?

anonymous · Answer

I don't know? I thought that it was already in standard form

jdoe0001 · Answer

yes it is!
so, that IS the standard form already, is arranged by term degree in descending order

notice the leading coefficent, -2
if the leading coefficient in a parabola is negative, is opens DOWNWARD for the y = $\bf ax^2+x+c$  type

anonymous · Answer

Oh okay! But what would be the vertex?

jdoe0001 · Answer

for the vertex for that type of parabola, just use
$$
\left(-\cfrac{b}{2a}, c-\cfrac{b}{2a}ight)\
\bf y = ax^2+bx+c
$$

for the (x, y) values

anonymous · Answer

so I plug in the numbers?

jdoe0001 · Answer

yeap

anonymous · Answer

okay thank you

jdoe0001 · Answer

yw