Math
Parabola Vertex Calculator
Vertex of y = ax² + bx + c.
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This free Parabola Vertex Calculator covers Vertex of y = ax² + bx + c.
The vertex x-coordinate is −b/(2a). Related math tools sit beside How it works, with no account required.
Using the Parabola Vertex Calculator
Vertex of y = ax² + bx + c. Typical inputs are a, b and c. How it works beside the form states the identity the Parabola Vertex Calculator applies.
FAQ
How do I use the Parabola Vertex Calculator?
Open the Parabola Vertex Calculator, fill a, b and c, and read the result. The vertex x-coordinate is −b/(2a).
What formula does the Parabola Vertex Calculator use?
The Parabola Vertex Calculator uses the identity in How it works. In words: The vertex x-coordinate is −b/(2a).