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Summary Of: Quadratic equation

as a quadratic equation in a new variable... gave the first general solution to the quadratic equation with two roots... The quadratic equation is now in a form in which the method of completing the square can be...

Encyclodia Page On: Quadratic equation

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Quadratic function | mathematics | polynomial | equation | degree | linear equation | coefficients | constant | constant term | Latin | squared | Plots of real-valued quadratic function ax2 + bx + c, varying each coefficient separately | | real | real | complex | coefficients | roots | the symbol "±" | Example discriminant signs■ <0: x2+1⁄2■ =0: −4⁄3x2+4⁄3x−1⁄3■ >0: 3⁄2x2+1⁄2x−4⁄3 | | discriminant | integer | perfect square | rational numbers | quadratic irrationals | real number | double root | complex | complex conjugates | For the quadratic function: f (x) = x2 − x − 2 = (x + 1)(x − 2) of a real variable x, the x-coordinates of the points where the graph intersects the x-axis, x = −1 and x = 2, are the roots of the quadratic equation: x2 − x − 2 = 0. | | quadratic function | real | coordinates | roots | zeros | quadratic function | real numbers | domain | coordinates | x-axis | root | factored | complex conjugates | Euler's formula | 1800 BC | Old Babylonian | clay tablets | Sulba Sutras | ancient India | 8th century BCE | Babylonian mathematicians | 400 BCE | Chinese mathematicians | 200 BCE | completing the square | Euclid | 300 BCE | Brahmagupta | Bakhshali Manuscript | indeterminate | Mohammad bin Musa Al-kwarismi | Persia | 9th century | Brahmagupta | Abraham bar Hiyya Ha-Nasi | Latin | Savasorda | 12th century | Bhāskara II | 1114 | 1185 | Indian | mathematician | astronomer | Yang Hui | 1238 | 1298 | quadratic formula | completing the square | perfect square | square root | division by zero | sign function | floating point | sign function | catastrophic cancellation | Viète's formulas | vertex | complex numbers | field | characteristic | extension field | unit | monic | quadratic residue | irreducible | splitting field | Galois field | Artin-Schreier theory | Linear equation | Cubic equation | Quartic equation | Quintic equation | Fundamental theorem of algebra | Parabola | Quadratic function | Solving quadratic equations with continued fractions | Periodic points of complex quadratic mappings | Chakravala method | Eric W. Weisstein | MathWorld | Categories | Elementary algebra | Equations |
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