Question

Graph y = −x2 − 1. Identify the vertex of the graph. Tell whether it is a minimum or maximum.

Answer 1

The  negative in front of the x2 indicates that the curve opens downwards so there is a maximum.  Also its symmetrical about the y axis.

The vertex is at  (0,-1).

Answer 2

Answer: C. (0, -1); maximum

Step-by-step explanation: just took the pretest and got 100%