# Exploring the Curve of Quadratic Functions in Vertex Form

Interact with the app below by dragging the TWO LARGE POINTS.
Then answer the questions that follow.

Suppose you graph the quadratic function . What does the parameter do to the graph? Explain.

Suppose you graph the quadratic function . What does the parameter do to the graph? Explain.

Suppose you graph the quadratic function .
Explain how changing the value of affects the graph. *Be specific. *