Question

New question
what is the vertex of f(x)=x^2+10x+16?
A)(2,6)
B)(1,5)
C)(5,9)
D)(-5,-9)

Answer 1

HHI!!!

Answer 2

the first coordinate of the vertex of \(y=ax^2+bx+c\) is \(-\frac{b}{2a}\) which in your case is
\[-\frac{10}{2\times 1}\]

Answer 3

there is only one choice with \(-5\) as the x coordinate, so you don't have to find the second coordinate

Answer 4

so the correct answer is D?

Answer 5

lol yeah that is the only one with a -5 in the first slot right?

Answer 6

yea

Answer 7

lol just reassuring in case someone has this same question and they wnt to answer it quickly

Answer 8

thank you :D!

Answer 9

you welcome

Answer 10

so how old are u