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Oh, I thought you already know the answer to this. Hmmm.

so it would be A? @jim_thompson5910

why maximum?

because it increases

you're looking at the graph I'm guessing?

do you know how to determine without the graph? by just looking at the value of 'a'

no, but can you just determine by looking at the graph?

do you know how to find h and k without graphing?

use the formula I posted earlier
use h = -b/(2a)

plug in a = -2 and b = 12 into that formula
what is the value of h?

the value of H would be -3 right?

a=3x^2 b=-30 c=85 and then h would be 30/18? i think i got it wrong...

a,b,c are just numbers (no variables attached)

a = 3, b = -30, c = 85

can you give me one second? please just one minute:-)

Take all the time you need. There's no rush.

ok, so i worked it out and found that it was B

I'm asking for a number

if you plug a = 3 and b = -30 into that h formula, what result do you get?