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Home > INT2 > Chapter 9 > Lesson 9.3.1 > Problem 9-82
9-82.
Consider the quadratic function
Without drawing a graph, determine the coordinates of the vertex and state whether the vertex represents the maximum or minimum value of the function.
The vertex is the point where
The vertex is a maximum when the parabola opens downward and a minimum when the parabola opens upwards.
Sketch the graph and verify your answer to part (a).