Question

The graph of which quadratic equation has a vertex of (-2,1)?

1) y=(x+1)^2 -2
2) y=(x-1)^2 -2
3) y=(x+2)^2 +1
4) y=(x-2)^2 +1

Answer 1

(x-h)^2 +h

Answer 2

3)

Answer 3

If there is a plus inside the square term, that means it is shifted to the LEFT in the x direction.