Question

How to get x^2+6x+7 into vertex form

Answer 1

Here's some simple formulas that will help you 100%.

Vertex form: a((x-h)^2)+k
h= -b/2a
k= f(h)

Remember how to make a perfect square trinomial!! If it's (x^2-2x) for example add (+1) to both sides if needed!