名词
中文翻译：四次方程式
同义词：
['quadratic equation', 'quadratic function例句：1. The quadratic equation x^2 - 4x + 4 = 0 has two real roots.（这个二次方程x^2 - 4x + 4 = 0有两个实根。）2. The quadratic function y = x^2 has a maximum value at x = 0.（这个二次函数y = x^2在x = 0时取得最大值。）']
例句：
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1. The quadratic equation x^2 - 4x + 4 = 0 has two real roots.
这个二次方程x^2 - 4x + 4 = 0有两个实根。
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2. The quadratic function y = x^2 has a maximum value at x = 0.
这个二次函数y = x^2在x = 0时取得最大值。
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3.In the quadratic formula, the coefficients b and c are used to find the solutions of the equation.
在二次公式中，系数b和c用于求解方程的解。