解析 A。二次函数顶点式为 y = a(x - h)² + k,顶点坐标为(h,k)。已知顶点为(2,3),所以 h = 2,k = 3,又因为开口向上,a>0,只有 A 选项符合。B 选项顶点坐标为(-2,3)不符合。C 选项开口向下不符合。D 选项顶点坐标为(-2,3)且开口向下不符合。
Plural and Possessive Names: A Guide What's the difference between 'fascism' and 'socialism'? More Commonly Misspelled Words Popular in Wordplay See All More Words with Remarkable Origins 8 Words for Lesser-Known Musical Instruments Birds Say the Darndest Things ...
The meaning of QUADRATIC EQUATION is any equation containing one term in which the unknown is squared and no term in which it is raised to a higher power. How to use quadratic equation in a sentence.
解析 It sounds like that it passes thru 3 points: (0,0),(3,0),(1,-2)From the first 2 points,it can be expressed in the form of y = ax(x-3)It passes thru (1 -2):-2 = a*1*(1-3)a = 1y = x(x-3) 结果一 题目 determine the equation of a quadratic functionconditions...
find the equation of the quadratic relationwith graph.这句话的意思是：找出这个曲线与二次方程式的关系。句中equation表示公式，例如：The equation is simple: research breeds new products.equation of the quadratic表示二次方程。graph表示曲线。这句话是提出了一个要求，那就是找出曲线与二次方程...
英[kwɒˌdrætɪk ɪˈkweɪʒ(ə)n] na.二次方程式;“algebraic equation”的变体 网络一元二次方程;二次方程法;二次同余问题 复数:quadratic equations 英汉 英英 网络释义 na. 1. 二次方程式 2. “algebraic equation”的变体 ...
英文:The solution of a quadratic equation may be a real number, or a pair of conjugate complex numbers. c. 中文:在数学课上,我们学习了如何解二次方程。英文:In math class, we learned how to solve quadratic equations. 英文同义表达: a. “quadratic equation”的同义...
quadratic equation n.an equation in which the highest power of an unknown quantity is a square 同义词:quadratic 学习怎么用 双语例句 Some quadratic equations have no real roots. 某些二次方程没有实数根。 The acquisition of the power of solving a quadratic equation is part of the process of sha...
A. an equation of degree one B. an equation of degree two C. an equation of degree three D. an E. quation of degree F. our 相关知识点: 试题来源: 解析 B。“quadratic equation”是指二次方程。选项 A 是“一次方程”。选项 C 是“三次方程”。选项 D 是“四次方程”。反馈...
differential equations C. integral equations D. logarithmic E. quations 相关知识点: 试题来源: 解析 A。“Quadratic equation”(二次方程)属于代数方程(algebraic equations)。微分方程(differential equations)涉及导数;积分方程(integral equations)涉及积分;对数方程(logarithmic equations)涉及对数运算。反馈 收藏 ...