Question

look at this graph: what are the coordinates of the vertex?

Explanation:

Step1: Locate the vertex on graph

The vertex is the lowest point of the parabola.

Step2: Read x - coordinate

By observing, the x - coordinate of the vertex is 2.

Step3: Read y - coordinate

By observing, the y - coordinate of the vertex is - 9.

Answer:

(2, - 9)