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  1. Quadratic equation - Wikipedia

    A quadratic equation whose coefficients are arbitrary complex numbers always has two complex-valued roots which may or may not be distinct. The solutions of a quadratic equation can be found by …

  2. Quadratic: The AI Spreadsheet

    The AI Spreadsheet Quadratic makes your spreadsheet work easy, with brilliant results. Add data, ask questions, transform, analyze, visualize, and share.

  3. Quadratic Equations - Math is Fun

    An example of a Quadratic Equation: The function can make nice curves like this one: A Parabola. The name Quadratic comes from quad meaning...

  4. Quadratic Formula Calculator

    Aug 1, 2025 · This online calculator is a quadratic equation solver that will solve a second-order polynomial equation such as ax 2 + bx + c = 0 for x, where a ≠ 0, using the quadratic formula.

  5. Quadratic Equations - Formulas, Methods, and Examples

    A quadratic equation is of the form ax^2 + bx + c =0, where a, b, and c are real numbers. The most popular method to solve a quadratic equation is to use a quadratic formula that says x = [-b ± √ (b2 - …

  6. Quadratic functions & equations | Algebra 1 | Math | Khan Academy

    We've seen linear and exponential functions, and now we're ready for quadratic functions. We'll explore how these functions and the parabolas they produce can be used to solve real-world problems.

  7. Quadratic Equation- Definition, Rules, Examples, & Problems

    Aug 3, 2023 · What is the quadratic formula in standard form. Learn how to solve a quadratic equation with steps, example, and diagrams

  8. The Quadratic Formula Explained - Purplemath

    The Quadratic Formula makes finding solutions simple. Learn the terms and relationships, and how to plug-n-chug your way to success!

  9. Quadratic equation - Math.net

    We don't need to factor or use the quadratic formula (discussed later). All we need to do is isolate x as we would when trying to solve for x in any equation, then take the square root of a constant.

  10. Quadratic equations | Algebra | Math | Khan Academy

    Learn how to solve quadratic equations, and how to analyze and graph quadratic functions.