Math & Statistics
Parabola Calculator
Find the vertex, focus and directrix of a parabola y = ax² + bx + c.
Your inputs
Change any value to update the result instantly.
Vertex
(0.0000, 0.0000)
Focus y-offset from vertex
0.25
Focus y-coordinate
0.25
Directrix y-coordinate
-0.25
Formula and working
Vertex = (−b/2a, c − b²/4a), focus offset = 1/4a
- 1
Collect the inputs
Coefficient a = 1; Coefficient b = 0; Coefficient c = 0
- 2
Apply the formula
Vertex = (−b/2a, c − b²/4a), focus offset = 1/4a
- 3
Result
Vertex = (0.0000, 0.0000)
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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