\( y = ax^2 + bx + c \)

Adjust Coefficients

Tip: Set b = 0 to see a symmetric parabola. Try a < 0 for a downward opening.
Vertex \( (h,k) \)
Symmetry axis \( x=h \)
\( \Delta=b^2-4ac \)
Roots

Graph

Use the toolbar’s Pan hand to move the view. It now stays active while updating.