Interactive applet
Quadratic Forms and Graphs
Toggle among standard, vertex, and factored form. Track vertex, roots, and axis of symmetry.
Hands-on lab
Bend the parabola
Features
Vertex (1, -2). Axis x = 1. Opens up (minimum).
Missions
- Put the vertex at (2, −3)
- Open the parabola downward
0/2 complete
Guided questions
In vertex form, change h. What moves?
Reflection
Which form would you choose to find the maximum height of a thrown ball, and why?
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