What is the name of the red dot located on the curve of the parabola below?

B. Vertex

Step-by-step explanation:

Vertex of Parabola is a point of parabola that lies at the lowest point of U-shaped parabola.

It is basically the turning point of the directing of parabola.

We are given a U-shaped parabola in the picture.

The red dot is located at the minimum of the parabola.

That means the red dot indicates the vertex of the parabola.