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数学词汇中英文对照 （初中部分） 二、方程与代数 代数（学）：algebra 字母表示数：Use letters to indicate numbers 代数式：algebraic expression 单项式：monomial 系数：coefficient 次数：degree 多项式：polynomial 二项式：binomial 三项式：trinomial 二次三项式：second degree trinomial 项：term 常数项：constant term 整式：integral expression 升幂：in ascending order of the power 降幂：in descending order of the power 同类项：like terms 合并：combine 等式：equality, equation 等号：sign of equality 二次方：(x)squared 三次方：(x)cubed n次方：(x)to the power of n/to the n-th power 乘法公式：multiplication formula 平方差：difference of squares 平方差公式：formula for the difference of squares 完全平方：perfect square 完全平方公式：formula for the perfect square 分解因式：factorizing 公因式：common factor 提公因式法：method of extracting common factors 十字相乘法：method of cross multiplication 分组分解法：method of regrouping 长除法：long division 分离系数法：method of detached coefficients 分式：algebraic fraction 无意义：illegal 有意义：legal 有理式：rational expression 约分：reduction of a fraction 最简分式：simplest fraction 通分：turn fractions to a common denominator 最简公分母：simplest common denominator 根式：radical 根指数：radical exponent 被开方数：radicand 二次根式：quadratic surd 最简二次根式：simplest quadratic surd 同类二次根式：similar quadratic surds 分母有理化：rationalize a denominator 有理化因式：rationalizing factor 根：root 增根：extraneous root 已知数：given number 未知数：unknown number 方程：equation 列方程：form an equation 等量关系：equality 检验：check 根：root 解方程：solving equation 解法、解：solution 一元一次方程：linear equation in one variable 方程的解：solution of equation 移项：transposition of terms 去括号：remove brackes 去分母：remove denominator 化简：simplify 不成立：false 不等式：inequality 一元一次不等式：linear inequality in one unknown 一元一次不等式组：system of linear inequalities in one variable 不等号：non-equal sign 含绝对值的不等式：inequality with absolute value 大于：greater than 小于：less than 大于等于：greater than or equal to 小于等于：less than or equal to 不等式性质：property of inequality 解集：solution set 解不等式：solve inequality 公共部分：common part 无解：no solution 二元一次方程：linear equation in two unknowns 二元一次方程组：system of linear equations in two unknowns 代入（消元）法：elimination by substitution 加减（消元）法：elimination by addition and subtraction 三元一次方程：linear equation in three unknowns 三元一次方程组：system of linear equations in three unknowns 一元二次方程：quadratic equation in one unknown 一般式：general form 二次项：quadratic term 一次项：linear term 常数项：constant term 开平方法：radication 因式分解法：factorization 配方法：complete a perfect squae 求根公式法： formula method 一元二次方程根的判别式：discriminant of quadratic equation in one variable 整式方程：integral equation 一元整式方程：linear integral eqution 一元高次方程：linear high-order equation 二项方程：binomial equation 双二次方程：biquadratic equation 分式方程：fractional equation 无理方程：irrational equation 二元二次方程：quadratic equation in two variables 一元二次不等式：quadratic inequality in one variable |
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