Explore the Quadratic Equation

Quadratic Equation
A Quadratic Equation
(a, b, and c can have any value, except that a can't be 0.)

Try changing a, b and c to see what the graph looks like. Also see the "roots" (the solutions to the equation). Then read more about the Quadratic Equation.


Move the a, b and c slider bars to explore the properties of the Quadratic Equation graph.

Look at


The "roots" are the solutions to the equation.

When the curve crosses the x-axis (y=0) you will have:

When the curve does not cross the line there are still solutions, but: