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SAT Formulas
SAT Need-to-know algebraic formulas
| Formula Name | Formula |
|---|---|
| Quadratic Formula | (-b ± √(b² - 4ac)) / 2a |
| Perpendicular Lines | m₁ = -1 / m₂ |
| Standard Equation of a Line | y = mx + b |
| Slope | y₂ - y₁ / x₂ - x₁ |
| Parabola | ax² + bx + c |
| Vertex | -b - 2a |
| Point-Slope | y₂ - y₁ = m(x₂ - x₁) |
| Circle | (x - b)² + (y - k)² = r² |
| Standard Equation of a Parabola | y = a(x - b)² + k |