Question

What is the vertex of this quadratic function?

f(x) = x2 – 4x – 5

Answer 1

((x-2)^2)-9
so (2,-9)

Answer 2

can u help me with this one.
Write the quadratic function in standard form.
f(x) = -
1
2
(x -
1
3
)2 +
2
5