Question

help please work attached

Answer 1

@FriedRice help please

Answer 2

you know how to find the vertex point?

Answer 3

When Katie added 9 to the right-hand side of the equation, she forgot to also add 9 to the left-hand side. At that point, she fundamentally changed the equation. So the second line should be

y + 9 = x^2 + 6x + 9 + 4

Continuing from there,

y + 9 = (x + 3)^2 + 4
y = (x + 3)^2 - 5

So the vertex is (-3, - 5).

Answer 4

you good