单词	quadratic equation
释义	quadratic equation noun : any equation containing one term in which the unknown is squared and no term in which it is raised to a higher power solve for x in the quadratic equation x2 + 4x + 4 = 0 Example Sentences Recent Examples on the Web Really, the only way to get a solution is with the quadratic equation. Rhett Allain, Wired, 13 Aug. 2021 Christian Hansen for The New York Times The quadratic equation has frustrated math students for millenniums. Jonathan Corum, New York Times, 5 Feb. 2020 Gauss’s work applied to quadratic equations — those with exponents no higher than the number 2. Quanta Magazine, 20 Mar. 2018 For the last 50 years, reformers have wanted to teach kids to reason mathematically, to think nimbly about topics like quadratic equations that otherwise come off flat. Quanta Magazine, 5 Oct. 2016 The circle is a quadratic equation, also known as a degree-two equation. Quanta Magazine, 31 Oct. 2018 The teenager next door named Lisa, played by Justin, has come to get help with the quadratic equation. Kathryn Lindsay, refinery29.com, 29 June 2018 The key is to fit a quadratic equation to the data. Rhett Allain, WIRED, 17 June 2018 The mere fact that a quadratic equation makes a reasonable fit means that the human is accelerating the whole time. Rhett Allain, WIRED, 17 June 2018 See More Word History First Known Use 1647, in the meaning defined above
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