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 ...
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/...
Sketch the graph of quadratic function f(x) = x^2 + 3x +14 without using a graphing utility. Identify the vertex, axis of symmetry, and x-intercept. Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and or the origin. y^2 ...
The axis of symmetry for the quadratic function y = 3x^2 + 6x - 2 is: A. x = -1 B. x = 1 C. x = -2 D. x = 2 展开 初三英语二次函数单选题30题 The axis of symmetry for the quadratic function y = 3x^2 + 6x - 2 is: 查看试卷及答案 相关搜索 1 数学八下十六章至...
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 ...
of symmetries in the mathematical programming usually dealt with permutations of coordinates of the solutions space,the present paper considers a larger group of invertible linear transformations.We study a special case of the quadratic programming problem,where the objective function and constraints are ...
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and the highest point is on the line y=x+1,find an expression of the quadratic function.12 Given that the line of symmetry of the graph of the quadratic function y=(m-2)x* 4mx+n isα=2and the highest point is on the lim ey x+1 , find an expression of the quadratic function....
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: ...