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Math Formula Encyclopedia

Search, understand, and use formulas across arithmetic, algebra, geometry, trigonometry, calculus, statistics, finance, science, engineering, and everyday math.

134 formulas10 subjectsExamples + variables

All Algebra 16 Arithmetic 8 Calculus 15 Everyday Math & Conversions 7 Finance & Business 9 Geometry 28 Number Theory & Sequences 8 Science & Engineering 16 Statistics & Probability 16 Trigonometry 11

3 matching formulas

Algebra

Quadratic Formula

x = (−b ± √(b² − 4ac))/(2a)

Finds roots of a quadratic equation.

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Discriminant

Δ = b² − 4ac

Determines the nature of quadratic roots.

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Vertex of a Parabola

xᵥ = −b/(2a)

Finds the horizontal coordinate of a quadratic vertex.

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