completing square formula
,Completing the Square is a method used to solve a quadratic equation by changing the form of the equation so that the left side is a perfect square trinomial.
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 completing square formula 相關參考資料
2. Solving Quadratic Equations by Completing the Square
This section shows how to complete the square and use it to solve a quadratic equation. https://www.intmath.com Completing the Square - Math is Fun
https://www.mathsisfun.com Completing the Square - Varsity Tutors
Completing the Square is a method used to solve a quadratic equation by changing the form of the equation so that the left side is a perfect square trinomial. https://www.varsitytutors.com Completing the square - Wikipedia
跳到 Formula - Formula[edit] https://en.wikipedia.org Solving quadratics by completing the square (article) | Khan ...
For example, solve x²+6x=-2 by manipulating it into (x+3)²=7 and then taking the square root. https://www.khanacademy.org 被忽視的配方法Completing the square - 學校沒有教的數學
配方法Completing the square 往往被同學忽視，但文憑試2013年有一題目就強制考生必須用配方法來求最大/最小值。因此大家準備文憑試時，必須好好掌握配方法。 https://mathseasy.hk |