Answer:
y = a(x - 1)² - 2
where a is any real number except 0.
Step-by-step explanation:
The vertex formula of an equation of a parabola:
[tex]y=a(x-h)^2+k[/tex]
(h, k) - vertex
We have the vertex (1, -2). Substitute:
[tex]y=a(x-1)+(-2)=a(x-1)^2-2[/tex]
