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Algebra Formulas
| Name | Formula |
|---|---|
| Quadratic | x = (-b ± √(b²-4ac)) / 2a |
| Difference of Squares | a² - b² = (a+b)(a-b) |
| Perfect Square | (a+b)² = a² + 2ab + b² |
| Slope | m = (y₂-y₁)/(x₂-x₁) |
| Distance | d = √((x₂-x₁)²+(y₂-y₁)²) |
| Midpoint | ((x₁+x₂)/2, (y₁+y₂)/2) |