Which of the following is the equation of a quadratic function with a vertex at (2,3) and opening upward? A. y = (x - 2)² + 3 B. y = (x + 2)² + 3 C. y = -(x - 2)² + 3 D. y = -(x + 2)² + 3 相关知识点: ...
determine the equation of a quadratic functionconditions: x-intercept 3, and passing through the point (1,-2) 相关知识点: 试题来源: 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 = ...
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.
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quadratic equation n. An equation that employs the variablexhaving the general formax2+ bx + c =0, wherea, b,andcare constants andadoes not equal zero; that is, the variable is squared but raised to no higher power. American Heritage® Dictionary of the English Language, Fifth Edition....
结果1 题目 What is the equation of the quadratic function with a vertex at (2,-25) and an x-intercept at (7,0)? ( ) A. f(x)=(x-2)(x-7) B. f(x)=(x+2)(x+7) C. f(x)=(x-3)(x+7) D. f(x)=(x+3)(x-7) 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
【题目】What is the equation of the quadratic functionwith a vertex at (2-25) and an x-intercept at(7,0)? (A.f(x)=(x-2)(x-7)B.f(x)=(x+2)(x+7)C.f(x)=(x-3)(x+7)D.f(x)=(x+3)(x-7) 相关知识点: 试题来源: ...
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...
To solve a quadratic equation, we can use the ___ formula. A. linear B. quadratic C. cubic D. exponential 相关知识点: 试题来源: 解析 B。解二次方程可以用二次公式,quadratic 是二次的;linear 是线性的;cubic 是三次的;exponential 是指数的。反馈 收藏 ...
of a quadratic equation. The left-hand side of a quadratic equation can be expressed in the formα(x−x2) (x−x2). The functiony=ax2+bx+cis called a quadratic trinomial, and its graph is a parabola with the vertex at the pointM(−b/2a;c−b2/4a) and axis of symmetry ...