What is the vertex of the parabola f (x) = x2 – 2x – 8 that has an axis of symmetry at x = 1?

It is important because sometimes ur dna needs to multiply

Xis -1/2
y is 35/4.

Idon't see any graph, however the graph of the function : f(x) = x²-2x+3 is a parabola: 1) open upward (since a> 0)2) it intersects y-axis in 3 (y=3)3) its axis of symmetry is x = +1 ( -b/2a)4) it's minimum is y = -2, so its vertex is (1,-2)5) it doesn't intersect the x-axis since discriminant < 0