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/...
解析 B。对于二次函数的顶点式 y = a(x - h)^2 + k,其对称轴为 x = h。在函数 y = -2(x + 1)^2 - 3 中,h = -1,所以对称轴为 x = -1。选项 A,x = 1 不符合;选项 C,x = 3 不符合;选项 D,x = -3 不符合。反馈 收藏 ...
题目 The axis of symmetry for the quadratic function y = 3x^2 + 6x - 2 is: 查看整本 限时0.1元开通VIP 新客低价 结果一 结果二 结果三 结果四 结果五 结果六 有用 收藏 报错 题目 88.7万热度 难度 The axis of symmetry for the quadratic function y = 3x^2 + 6x - 2 is: A....
试题来源: 解析 A。对于二次函数 y = ax² + bx + c,对称轴公式为 x = -b/2a,在 y = 2x² - 4x + 3 中,a = 2,b = -4,代入公式可得 x = -(-4)/(2*2)=1。B、D 选项不符合对称轴公式。C 选项不是该函数对称轴。反馈 收藏 ...
The graph of a quadratic function is parabolic which opens whether up or down. A line 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 ...
Axis of Symmetry, Axis of Symmetry Definition, What is axis of symmetry? Axis of symmetry formula, Axis of symmetry equation, How to find axis of symmetry?
百度试题 结果1 题目 7. Given x =4 is the axis of symmetry of the graph of the quadratic function f(x) =7 + 8x-x2,determine the coordinates of the maximum point. 相关知识点: 试题来源: 解析 (4 , 23) 反馈 收藏
Axis of Symmetry:This is a vertical line that runs through the middle of a quadratic function. The graph on the left side of the axis of symmetry is a mirror image of the graph on the right side of the axis of symmetry. The equation for the axis of symmetry is: ...
Learn the concept of the axis of symmetry of a geometrical shape. Understand the formula for finding the equations of the axis of symmetry & vertex...
A reference direction for angular coordinates used in describing the directional characteristics of a transducer; it is usually an axis of structural symmetry or the direction of maximum response. (mathematics) One of a set of perpendicular axes such that a quadratic function can be written as a ...