Given the quadratic function
Without drawing a graph, tell the coordinates of the vertex and tell if the vertex represents the maximum or minimum value of the function.
The graphing form of a quadratic is
where the vertex is at the point .
If the vertex is the highest point on the graph, then it is a maximum.
If it is the lowest point on the graph, then it is a minimum.
Use your graphing shortcuts to draw a graph and verify your answer to part (a).