Question 875951
True.
Factored,the quadratic function would be {{{y=a(x-h)^2}}} .
The maximum (if {{{a<0}}} ) or minimum (if {{{a>0}}} ) happens at {{{x=h}}} ,
and at that point {{{y=0}}} .
The point (h,0) is the minimum or maximum of the parabola represented by {{{y=a(x-h)^2}}} .