Can anyone help explain how to turn a standard equation into Vertex form? Or do this as an example. y=-3x^2-12x-2
I tried to solve it and the possible options it gives didn't even match up with mine. I kind of get it but besides that, I am lost.

Question

Can anyone help explain how to turn a standard equation into Vertex form? Or do this as an example. y=-3x^2-12x-2
I tried to solve it and the possible options it gives didn't even match up with mine. I kind of get it but besides that, I am lost.

anonymous · Answer

You need to complete the square. Try following along with this: http://www.virtualnerd.com/algebra-2/quadratics/solve-by-completing-square-roots/complete-square/completing-square-convert-standard-to-vertex