Question

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

Explanation:

Step1: Identify the vertex

The vertex of a parabola is the lowest (or highest) point on the graph.

Step2: Determine the x - coordinate

Looking at the graph, the x - coordinate of the vertex is - 3.

Step3: Determine the y - coordinate

Looking at the graph, the y - coordinate of the vertex is - 9.

Answer:

(-3, -9)