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核心詞議：

速記方法


知識擴展


中文詞源： quadratic 四倍的，平方的 quadr-,四，-atic,形容詞后綴。用于數學名詞平方。 quadratic
精選例句

常見考點例句：

The quadratic equation may have instilled horror in many of us .

我們很多人可能面對二次方程式會感到恐懼。

Both vegetables and quadratic polynomials are made more interesting with the mandelbrot set .

有了曼德爾勃特集合，蔬菜和二次多項式都變得有趣多了。

Readers who were paying attention in their maths classes may recall that quadratic equations often have two solutions , one positive and one negative .

數學課上認真聽講的讀者朋友或許都能想起二次方程式通常有兩個解：一個是正解，另一個是負解。