Question

what is y=x^2-4x-11 in general form

Answer 1

by general form, do they mean
\[y = (x-h)^{2} +k\]

Answer 2

yess

Answer 3

then \[y=(x^2-4x+4)-11-4.\]Do this:)

Answer 4

I just added 4 & subtracted 4 so that the question remains unchanged
but this is a trick to get answer.
as @dumbcow said:)

Answer 5

its called completing the square...take the "x" coefficient, cut it in half, then square it
thats how you know what to add to make it a perfect square

Answer 6

yeah:D