What is the equation for the axis of symmetry of a quadratic function y = 3x² + 6x + 2? A. x = -1 B. x = -2 C. x = -3 D. x = -4 相关知识点: 试题来源: 解析 A。解析:For the function y = 3x² + 6x + 2, a = 3 and b = 6. Using the formula x = -b/...
The axis of symmetry of a parabola is the line about which the parabola is symmetrical. It passes through the vertex of the parabola. If the equation of the parabola is {eq}y=ax^2+bx+c {/eq}, then the equation of axis of symmetry is given by {eq}x=\dfrac{-b}{2a} ...
that divides this parabolic curve into two equal halves is known as the six of symmetry of a quadratic function. The axis of symmetry always passes through the vertex and focus of the parabolic curve. So the {eq}x {/eq}-coordinate of the vertex is the equation of the axis of...
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1. The vertex is at {eq}(h,k){/eq}. 2. The axis of symmetry is at {eq}y=k{/eq}. 3. The line of directrix is the vertical line {eq}x=h-p{/eq}. 4. The endpoints of the latus rectum are given by {eq}(h+p,k\pm2p){/eq}. ...
The keywords for parabolas are the vertex, the focus, the directrix, and the axis of symmetry. To form a parabola according to ancient Greek definitions, you would start with a straight line and a point off to one side; the line is called the directrix; the point is called the focus. ...
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In this paper we revisit an open problem posed by Aldous on the max-entropy win-probability martingale: given two players of equal strength, such that the win-probability is a martingale diffusion, which of these processes has maximum entropy and hence gives the most excitement for the spectator...
To dig deeper into particle dualism, in the second part, a class of models is proposed as a working framework. It encompasses some chaotic excitable reaction-diffusion systems, whose generalized susceptibilities make them compatible with quantized fields and excitations, of any desired symmetry group ...
The axis of symmetry of the parabola with functionf(x) = 2x2- 4x+ 5 isx= 1. When we are given the function of a parabola,f(x) =ax2+bx+c,... Learn more about this topic: Axis of Symmetry | Definition, Equation & Examples ...