1. You need to find the vertex of a parabola by x=-b/2a
2. Plug the answer that you got from x=-b/2a into the "x"s in the equation given and solve
There, you are given your x and y point!
PROBLEM 1
PROBLEM 2
I think this is confusing and hard sometimes because there are just so many steps. I always get confused on making the equation.
ADDITIONAL RESOURCES
https://www.khanacademy.org/math/algebra/quadratics/solving_graphing_quadratics/v/quadratic-functions-3
