Question

what is the vertex of -16x^2+60x+16?

Answer 1

using the formula \[x=\frac{ -b }{ 2a}\]

Answer 2

the expression you gave is in the form
ax^2 + bx + c

(this is the a b c stuff that you can plug into the formula you just gave :) )

Answer 3

http://openstudy.com/study#/updates/553e9ddbe4b0cdd5b3a9090c

Answer 4

I plug it in but I don't seem to get a valid response.

Answer 5

what did you get? :)

Answer 6

sorry, let me rephrase
"What did you try answering?"

Answer 7

because when I simplify it, the equation,