INTERACTIVE ALGEBRA

Quadratic Graphs

Change the equation. Discover how the curve moves.

Roots · Turning points · Symmetry

Drag the pink turning point

Use the controls to change the curve. Drag V to move its turning point.

QUADRATIC EXPLORER

Change the curve

Choose a formCoefficient a

A quadratic has a ≠ 0. Compare positive, negative and fractional values.

Coefficient b

Constant c

Show key points Line of symmetry

Turning point:

Roots:

y-intercept:

Line of symmetry:

Try an example

Investigate

Values around the turning point
x	y

Roots and coordinates are rounded to 2 decimal places. The graph fits automatically after changes.