Answer:
y = x^2 - 2x + 3
The vertex has x component which is the solution of equation:
y' = 0
<=>2x - 2 = 0
<=> x = 1
Substitute x = 1 back into original equation y = x^2 - 2x + 3, then
y = 1^2 - 2*1 + 3 = 1 - 2 + 3 = 2
=> Vertex(1, 2)
Hope this helps!
:)
