# Simple general quadratic

This is a simple applet which aims to help familiarise you with what happens to the graph of a quadratic as the values of the coefficients are varied.

- Explore what happens to the graph as you change each of the sliders. Which features of the graph change and which remain the same?
- Predict what will happen to the position of the vertex as each slider value is changed in turn. Reveal the vertex, A, to test your conjecture.
- Change one slider so that the graph touches the x-axis.
- For what range of values for a, b and c does the graph have 2 real roots?

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