数学中的英语单词

Introduce to functions

relations 对应关系functions 函数the dependent variable 因变量domain 定义域range值域equation方程vertical-line test 垂线检验horizontal lines 水平直线substituted代入值linear relations 一次函数关系quadratic relations 二次函数关系parabolas 抛物线the general forms 标准式function notation 函数的表示respectively分别地maximum value 最大值minimum value 最小值vertex 顶点symbol记号coefficient [ˌkəʊɪˈfɪʃnt] 系数positive正的negative负的x-coordinate ['ekskəʊ'ɔ:dnɪt] 横坐标y-coordinate 纵坐标intercept交点axis 轴simplified简化brackets[brækəts]括号parent function 母函数absolute value绝对值axis of symmetry[ˈsɪmətri]对称轴asymptote['æsɪmptəʊt] 渐近线quadrants 象限square root 算术平方根reciprocal [rɪˈsɪprəkl] 倒数

real number 实数height/altitude高midpoint中点reflected in the line 关于直线对称

equivalent algebraic expressions

monomial 单项式polynomial 多项式rectangle 矩形

integer[ˈɪntɪdʒə(r)]整数coefficient[ˌkəʊɪˈfɪʃnt] 系数square 面积volume[ˈvɒlju:m]体积perimeter [pəˈrɪmɪtə(r)]周长restriction 限制条件curve曲线factor 因式分解hole可去点numerator 分子Denominator 分母rational 分式

Quadratic function 二次函数

evaluate 求值properties [p'rɒpətɪz]特征algebraic expression 代数表达式first and second differences 首差和次差substitute代入coordinate 坐标solve for 解出direction of opening 开口方向standard form 标准式vertex form 顶点式factor form 因式分解式zeros 零点radicals ['rædɪklz] 根数式entire radicals 全根mixed radicals 混根like radicals 同类根quadratic formula 求根公式the discriminant [dɪs'krɪmɪnənt] 根的判别式

point 点plane面soild 体cube立方体segment [ˈsegmənt]线段angle角acute angle 锐角right angle 直角obtuse [əbˈtju:s]angle 钝角parallelogram [ˌpærəˈleləgræm]平行四边形diagnoal [da'ɪæɡnəʊl] 对角线trapezoid [ˈtræpəzɔɪd]梯形radius[ˈreɪdiəs]半径circumference[səˈkʌmfərəns]周长diameter [daɪˈæmɪtə(r)]直径rational 有理数fraction 分式irrational number 无理数ratio[ˈreɪʃiəʊ]比square root 平方根cube root 立方根perfect square trinomials 完全平方difference of squares 平方差

power 幂raise...to 的...次幂exponent指数fraction分数decimal[ˈdesɪml]小数odd root 奇数根even root 偶数根rotation转diagram图形sum和product积quotient[ˈkwəʊʃnt]商Trigonometric ratios of angle

trigonometric ratios 三角比opposite 对边adjacent[əˈdʒeɪsnt]

邻边hypotenuse[haɪˈpɒtənju:z]斜边intercept截距slope斜率sine正弦值cosine余弦值tangent 正切值secant 正割值

cosecant 余割值

cotangent余割值reciprocal ratios 倒数比the Cartesian plane 直角坐标系standard position 标准放置origin远点initial arm始边terminal arm 终边pythagorean theorem 勾股定理principal angle 原角positive angle 整角negative angle 负角clockwise 顺时针anticlockwise 逆时针perpendicular [ˌpɜ:pənˈdɪkjələ(r)]垂直

the Cartesian plane 直角坐标平面

Arithmetic and Geometric Sequences

sequence[ˈsi:kwənsiz] 数列term项general term 通项arithmetic [əˈrɪθmətɪk] sequence等差数列geometric [ˌdʒi:əˈmetrɪk] sequence等比数列recursive [rɪˈkɜ:sɪv] formula递推公式common difference 公差common ratio公比series数列各项和binomial [baɪˈnəʊmiəl] expansion二项式展开mean 平均数constant proportionality 定比

Simple Internet and Compound Interest investment 投资principal本金interest利息interest rate 利息interest earn 获利amount本金和利息simple interest单利compound interest 复利saving account活期储蓄账户compounding period 复利计算周期annually每年annuity 年金semi-annually 每半年quarterly 每季monthly 每月present value资金现值regular intervals ['ɪntevl]定期the term of annuity 年金期数timeline时间轴线图dividend [ˈdɪvɪdend] 红利