Question

Identify the vertex of the graph. Tell whether it is a minimum or maximum. Answers

a. (-4,2); minimum
b. (2,-4); maximum
c. (-4,2); maximum
d. (2,-4); minimum

Answer 1

D

Explanation:

The vertex is the turning point of the graph.

This is at (- 1, - 2)

The graph changes from decreasing to increasing at (- 1, - 2)

Hence is a minimum at (- 1, - 2)